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All-in-One Report Demo (NSN: 5950008553988, Part Number: 31728)
Supplier Parts Availability - item details and contact information for suppliers holding stock
 
Part #
Description
NSN
Alternate PN
QTY Cond. Company Name
Phone
Fax
Location Send RFQ Last Update
31728
COMPONENT
32 NS Details Available
Details Available
UNITED STATES Send RFQ 2025-12-18
  
 
Master Cross Reference Data (MCRD) - alternate part numbers for national stock numbers
NSN
Description
MCRL Information
 
5950008553988

TRANSFORMER,POWER

INC: 32496
HMIC: P
ESDC:
ENAC:
Cancelled By:
Part # MCRL
Information
CAGE Code
Phone
Fax
Company Name
Address
31728 ISC: 6
RNVC: 9
RNCC: 3
DAC: 5
Details Available
Details Available
Details Available
Details Available
Details Available
31728 ISC: 6
RNVC: 9
RNCC: 5
DAC: X
Details Available
Details Available
Details Available
Details Available
Details Available
E13738 ISC: 6
RNVC: 9
RNCC: 5
DAC: 5
Details Available
Details Available
Details Available
Details Available
Details Available
E13738 ISC: 6
RNVC: 2
RNCC: 5
DAC: 5
Details Available
Details Available
Details Available
Details Available
Details Available
 
 
FAA PMA - Alternate Part Numbers/Manufacturers approved by the Federal Aviation Administration
 
PMA Part #
(Replacement For OEM PN)
Approval Means
Description
PMA Holder
Model Eligibility
Piston Ring
(Honeywell P/N 3172879-4, Piston Ring, installed on Flow Control and Shutoff Valve P/N's 396436-2, 396430-2, -3, -4, 396462-1/-2.)
Details Available
AIR23915
Details Available
Boeing (757-200 Series, 757-200PF Series, 757-200CB Series, 757-300 Series, 767-200 Series, 767-300 Series, 767-300F Series, 767-400ER Series)
Piston Ring
(Honeywell P/N 3172879-1, Piston Ring, installed on the Flow Control and Shutoff Valve P/N's 3214552-1, -2, -3, -4, -5.)
Details Available
AIR21860-1
Details Available
Boeing (737-300 Series, 737-400 Series, 737-500 Series, 737-600 Series, 737-700 Series, 737-700C Series, 737-800 Series, 737-900 Series, 737-900ER Series)
Piston Ring
(Honeywell P/N 3172879-1, Piston Ring, installed on the Flow Control and Shutoff Valve P/N's 3214552-1, -2, -3, -4, -5.)
Details Available
AIR21860-1
Details Available
Boeing (737-300 Series, 737-400 Series, 737-500 Series, 737-600 Series, 737-700 Series, 737-700C Series, 737-800 Series, 737-900 Series, 737-900ER Series,)
Piston Ring
(Honeywell P/N 3172879-4, Piston Ring, installed on Flow Control and Shutoff Valve P/N's 396436-2, 396430-2, -3, -4, 396462-1/-2.)
Details Available
AIR23915
Details Available
Boeing (757-200 Series, 757-200PF Series, 757-200CB Series, 757-300 Series, 767-200 Series, 767-300 Series, 767-300F Series, 767-400ER Series)
 
 
Procurement History - US Gov't Purchase History
 
NSN
Contract #
Delivery Order #
SOS
Date
Line Item #
Price QTY (U / M) CAGE Code
Phone
Fax
Company Name
Address
5950008553988

SPM4A107V0087



2007-06-04
Details Available 1 () Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

SP090503M8242



2003-07-17
Details Available 1 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

SP090501M1592

MODF

DSCC
2000-12-13
7001
Details Available 1 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

SP090501M1592



2000-12-13
Details Available 1 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

SP090501M1592



2000-12-13
Details Available 1 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

DLA90088MK953



1988-01-22
Details Available 22 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

DLA90088MK953



S9E
1988-01-22
Details Available 22 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

DSA90069MPS24



S9E
1969-04-08
Details Available 5 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

DSA90069MPS24



1969-04-08
Details Available 5 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

DSA90068MAC16



S9E
1967-12-18
Details Available 2 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

5950008553988

DSA90068MAC16



1967-12-18
Details Available 2 (EA) Details Available
Details Available
Details Available
Details Available
Details Available

 
 
DRMS - Government Auction History - (Part Number : 31728)
(Note: This report includes data from events up to July 27, 2000)
 
Part # / NSN
Description
Sale #
Lot #
Open Date Total Bid
Unit Bid
QTY (U / M)
Condition
Value
ROR
Bidder Info
CODE -31728 ANICE SEWARD PHONE: 757-444-

'COMMUNICATION EQUIPMENT COMPONENTS: EN'
Sale # 31-8323c

Lot # 187
1998-04-02 Details Available
Details Available
Qty: 1

Unused - GOOD CONDITION Total

81086

0.6% ROR

Details Available

-31728 3654 N ICE SEWARD PHONE: 757-444-

'COMMUNICATION EQUIPMENT COMPONENTS: EN'
Sale # 31-8323c

Lot # 187
1998-04-02 Details Available
Details Available
Qty: 1

Unused - GOOD CONDITION Total

81086

0.6% ROR

Details Available

-31728 3654 N ICE SEWARD PHONE: 757-444-

'COMMUNICATION EQUIPMENT COMPONENTS: EN'
Sale # 31-8323c

Lot # 187
1998-04-02 Details Available
Details Available
Qty: 1

Unused - GOOD CONDITION Total

81086

0.5% ROR

Details Available

CODE -31728 ANICE SEWARD PHONE: 757-444-

'COMMUNICATION EQUIPMENT COMPONENTS: EN'
Sale # 31-8323c

Lot # 187
1998-04-02 Details Available
Details Available
Qty: 1

Unused - GOOD CONDITION Total

81086

0.5% ROR

Details Available

CODE -31728 ANICE SEWARD PHONE: 757-444-

'COMMUNICATION EQUIPMENT COMPONENTS: EN'
Sale # 31-8323c

Lot # 187
1998-04-02 Details Available
Details Available
Qty: 1

Unused - GOOD CONDITION Total

81086

0.4% ROR

Details Available

-31728 3654 N ICE SEWARD PHONE: 757-444-

'COMMUNICATION EQUIPMENT COMPONENTS: EN'
Sale # 31-8323c

Lot # 187
1998-04-02 Details Available
Details Available
Qty: 1

Unused - GOOD CONDITION Total

81086

0.4% ROR

Details Available

CODE -31728 ANICE SEWARD PHONE: 757-444-

'COMMUNICATION EQUIPMENT COMPONENTS: EN'
Sale # 31-8323c

Lot # 187
1998-04-02 Details Available
Details Available
Qty: 1

Unused - GOOD CONDITION Total

81086

0% ROR

Details Available

-31728 3654 N ICE SEWARD PHONE: 757-444-

'COMMUNICATION EQUIPMENT COMPONENTS: EN'
Sale # 31-8323c

Lot # 187
1998-04-02 Details Available
Details Available
Qty: 1

Unused - GOOD CONDITION Total

81086

0% ROR

Details Available

 
 
Technical Characteristics - detailed information such as measurements and material type for national stock numbers
 
NSN
Item Name
Technical Characteristics
5950-008553988

TRANSFORMER,POWER
MRC Requirements Characteristics
AKNA INCLOSURE TYPE Details Available
ADAQ BODY LENGTH Details Available
AARG RELIABILITY INDICATOR Details Available
CWJS WINDING OPERATING VOLTAGE Details Available
CRBZ WINDING OPERATING CURRENT Details Available
  
 
Management Data - US Gov't supply management data (costs, storage, etc.)
  NSN
Item Name
Management Data  
  5950-008553988

TRANSFORMER,POWER
PMIC Criticality ADPE ESDC HMIC DEML
U X P A
S / A SOS AAC QUP UI Unit
Price
SLC CIIC Rep
Code
Mgmt
Ctrl
Phrase
Data
Details Available
Details Available
 
 
AvRef - OEM List Price
 
Part #
Description
Manufacturer
List Price Condition Effective Date Package Size (U/M) Deposit Discount Code
31728

COVER ASSEMBLY

Details Available
Details Available New 2022-02-18 1 (EA) Details Available Details Available
31728

COVER

Details Available
Details Available New 2014-01-28 1 (EA) Details Available Details Available
31728

COVER

Details Available
Details Available New 2008-01-01 1 (EA) Details Available Details Available
3172808-1

PIN, STRAIGHT, HEADED

Details Available
Details Available New 2025-11-27 1 (EA) Details Available Details Available
3172817-1

ROD, ACTUATING

Details Available
Details Available New 2021-01-01 1 (EA) Details Available Details Available
3172-81870-00

COUPLING

Details Available
Details Available New 2014-01-03 1 (EA) Details Available Details Available
3172830-2

SLEEVE

Details Available
Details Available New 2017-01-01 1 (EA) Details Available Details Available
3172830-2

SLEEVE, TUBE

Details Available
Details Available New 2025-11-27 1 (EA) Details Available Details Available
3172830-3

SLEEVE

Details Available
Details Available New 2000-01-01 1 (EA) Details Available Details Available
3172831-1

RETAINER, PIN

Details Available
Details Available New 2022-01-01 1 (EA) Details Available Details Available
3172-85434-00

COUPLING

Details Available
Details Available New 2014-01-03 1 (EA) Details Available Details Available
3172-85435-00

COUPLING

Details Available
Details Available New 2014-01-03 1 (EA) Details Available Details Available
3172862-1

DIAPHRAGM

Details Available
Details Available New 2025-11-27 1 (EA) Details Available Details Available
3172864-1

SPRING

Details Available
Details Available New 2017-01-01 1 (EA) Details Available Details Available
3172864-1

SPRING HLCL TORSION

Details Available
Details Available New 2025-11-27 1 (EA) Details Available Details Available
3172871-1

CLIP, RETAINING

Details Available
Details Available New 2023-11-23 1 (EA) Details Available Details Available
3172879-1

SPACER RING, PISTON

Details Available
Details Available New 2025-11-27 1 (EA) Details Available Details Available
3172879-2

SPACER RING PISTON

Details Available
Details Available New 2022-01-01 1 (EA) Details Available Details Available
3172879-3

SPACER RING, PISTON

Details Available
Details Available New 2012-01-01 1 (EA) Details Available Details Available
3172879-4

SPACER

Details Available
Details Available New 2017-01-01 1 (EA) Details Available Details Available
3172879-4

SPACER RING, PISTON

Details Available
Details Available New 2025-11-27 1 (EA) Details Available Details Available
3172888-4

COVER ASSY, SWITCH

Details Available
Details Available New 2024-10-23 1 (EA) Details Available Details Available
 
 
Solicitations - Active & Historical US Government Purchase Requests
 
Solicitation # NSN Detail Summary Source  System Entry Respond By
Expired Solicitations
Details Available 5950008553988 Details Available DIBBS 2007-05-20 1 2007-06-04
Details Available 5950008553988 Details Available DIBBS 2020-01-03 1 2020-01-13