PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

080-04273-39O-Ring

Moog Inc · NSN 5331-00-727-2637 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-727-2637 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-727-2637. Primary manufacturer part number: 080-04273-39.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 1.175 INCHES MINIMUM AND 1.207 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 34 verified cross-references
  • Primary manufacturer: Moog Inc
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 5331-00-727-2637, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Moog Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 34 commercial cross-references from 24 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-727-2637
Primary Part Number080-04273-39
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMoog Inc
StatusCANCELLED
Outside Diameter1.175 INCHES MINIMUM AND 1.207 INCHES MAXIMUM IN
Center Hole Diameter1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5331-00-634-93942048430-18 INTERCHANGEABLE
O-Ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5331-00-689-6460 INTERCHANGEABLE
O-Ring
2520-00-737-7023590514 INTERCHANGEABLE
Fork
General Motors Llc Dba General Motors Llc
5330-01-067-3444 INTERCHANGEABLE
Packing,preformed
5331-01-107-4963803-1385714-3-4 INTERCHANGEABLE
O-Ring
Naval Ship Systems Command
5331-01-234-9437 INTERCHANGEABLE
O-Ring
5330-01-241-1929 INTERCHANGEABLE
Packing,preformed
1650-01-568-365210055492 INTERCHANGEABLE
Drive Unit,hydraulic
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Cross-Reference Index
Part NumberManufacturer
230079017 Rosomak S.a (POL)
199975 Eaton Limited (GBR)
080-04273-39 PRIMARY Moog Inc (USA)
MS28775-023 Seals & Packings, Llc (USA)
765019 Wass Srl (ITA)
N304-75-023 Parker-Hannifin Corp Div O-Ring Division (USA)
2-023 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
4400173-0230 Zf Industrieantriebe Witten Gmbh (DEU)
MS28775-023 Bae Systems Land & Armaments L.p. (USA)
5330007272637 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
2300-79017 Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA)
2-023 N304-75 PRIMARY Parker-Hannifin Corp Div O-Ring Division (USA)
SR 832-75-023 Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX)
P4773811 Parker-Hannifin Corp Div O-Ring Division (USA)
SR 832-75-023 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
PB37870-10 Zf Industrieantriebe Witten Gmbh (DEU)
4067-7-023 Parco, Llc (USA)
10055492 Nimikkeistokeskus Ncb Finland (FIN)
MS28775-023 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
127608432 Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA)
Related Parts
5331-00-634-9394INTERCHANGEABLE
O-RING
2048430-18
5331-00-689-6460INTERCHANGEABLE
O-RING
2520-00-737-7023INTERCHANGEABLE
FORK
590514
5330-01-067-3444INTERCHANGEABLE
PACKING,PREFORMED
5331-01-107-4963INTERCHANGEABLE
O-RING
803-1385714-3-4
5331-01-234-9437INTERCHANGEABLE
O-RING
5330-01-241-1929INTERCHANGEABLE
PACKING,PREFORMED
1650-01-568-3652INTERCHANGEABLE
DRIVE UNIT,HYDRAULIC
10055492

Frequently Asked Questions

What is NSN 5331-00-727-2637?

NSN 5331-00-727-2637 is a O-Ring, manufactured by Moog Inc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-727-2637?

NSN 5331-00-727-2637 has 34 cross-referenced part numbers: 230079017 (Rosomak S.a), 199975 (Eaton Limited), 080-04273-39 (Moog Inc), MS28775-023 (Seals & Packings, Llc), 765019 (Wass Srl) and 29 more.

What NSN replaces 5331-00-727-2637?

There are 8 known substitutes for 5331-00-727-2637: 5331-00-634-9394, 5331-00-689-6460, 2520-00-737-7023 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 080-04273-39?

Key specifications for 080-04273-39: Outside Diameter: 1.175 INCHES MINIMUM AND 1.207 INCHES MAXIMUM IN; Center Hole Diameter: 1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-727-2637 still in active supply?

NSN 5331-00-727-2637 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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