PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7-57-017O-Ring

Akron Brass Company · NSN 5331-00-162-5688 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-162-5688 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-162-5688. Primary manufacturer part number: 7-57-017.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 34 verified cross-references
  • Primary manufacturer: Akron Brass Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-162-5688, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Akron Brass Company. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 34 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-162-5688
Primary Part Number7-57-017
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAkron Brass Company
StatusCANCELLED
Center Hole Diameter3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4320-00-066-1459 INTERCHANGEABLE
Valve,wing,pump
6240-00-155-8707 INTERCHANGEABLE
Lamp,incandescent
5935-00-156-3691C148-3-1 INTERCHANGEABLE
Connector,receptacle,electrical
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
3455-00-231-348610400 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5815-00-392-7871SM-C-157396 INTERCHANGEABLE
Mounting
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5999-00-418-934810400 INTERCHANGEABLE
Contact,electrical
Kone Inc.
5140-00-540-4209 INTERCHANGEABLE
Case,twist Drill
4720-00-541-88592556-12 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
5310-00-543-2740MS35333-74 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5935-00-729-866710400 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
Cross-Reference Index
Part NumberManufacturer
10414269 Nimikkeistokeskus Ncb Finland (FIN)
5192245 Naval Sea Systems Command (USA)
07-FC-031-P Zf Industrieantriebe Witten Gmbh (DEU)
30-007C-B IT 16 Konrad Marine Inc Div Konrad Marine (USA)
3003 Waltco Truck Equipment Co Inc (USA)
2-240-N219-7 Zf Industrieantriebe Witten Gmbh (DEU)
2-240N674-70 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-240MIL-G- 21569B CLASS 1 Zf Industrieantriebe Witten Gmbh (DEU)
07FC031N Zf Industrieantriebe Witten Gmbh (DEU)
274485PC9 Franklin Electric Co Inc (USA)
00-65471 Young Engineering & Manufacturing, Inc. Dba Young Engineering & Manufacturing Inc (USA)
0561C0031-16 Zf Industrieantriebe Witten Gmbh (DEU)
593-6960882PC11 Naval Sea Systems Command (USA)
AS568-240MIL-G- 21569 CL 1 Zf Industrieantriebe Witten Gmbh (DEU)
2AB12 Zf Industrieantriebe Witten Gmbh (DEU)
79515 Zf Industrieantriebe Witten Gmbh (DEU)
2-240N-7 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
01-71500 ITEM 4 Young Engineering & Manufacturing, Inc. Dba Young Engineering & Manufacturing Inc (USA)
3N-369 PIECE 79 Alfa Laval Inc. (USA)
10-400 Konrad Marine Inc Div Konrad Marine (USA)
Related Parts
4320-00-066-1459INTERCHANGEABLE
VALVE,WING,PUMP
6240-00-155-8707INTERCHANGEABLE
LAMP,INCANDESCENT
5935-00-156-3691INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
C148-3-1
3455-00-231-3486INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10400
5815-00-392-7871INTERCHANGEABLE
MOUNTING
SM-C-157396
5999-00-418-9348INTERCHANGEABLE
CONTACT,ELECTRICAL
10400
5140-00-540-4209INTERCHANGEABLE
CASE,TWIST DRILL
4720-00-541-8859INTERCHANGEABLE
HOSE,NONMETALLIC
2556-12
5310-00-543-2740INTERCHANGEABLE
WASHER,LOCK
MS35333-74
5935-00-729-8667INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
10400
6210-00-781-5541INTERCHANGEABLE
LENS,LIGHT
2915-00-828-9975INTERCHANGEABLE
PLATE,FUEL TYPE
79515

Frequently Asked Questions

What is NSN 5331-00-162-5688?

NSN 5331-00-162-5688 is a O-Ring, manufactured by Akron Brass Company, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-162-5688?

NSN 5331-00-162-5688 has 34 cross-referenced part numbers: 10414269 (Nimikkeistokeskus Ncb Finland), 5192245 (Naval Sea Systems Command), 07-FC-031-P (Zf Industrieantriebe Witten Gmbh), 30-007C-B IT 16 (Konrad Marine Inc Div Konrad Marine), 3003 (Waltco Truck Equipment Co Inc) and 29 more.

What NSN replaces 5331-00-162-5688?

There are 12 known substitutes for 5331-00-162-5688: 4320-00-066-1459, 6240-00-155-8707, 5935-00-156-3691 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7-57-017?

Key specifications for 7-57-017: Center Hole Diameter: 3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-162-5688 still in active supply?

NSN 5331-00-162-5688 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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