PartsTable TECHNICAL DATA SHEET
NSN 5331-00-377-2881Government record, cited

O-Ring5331-00-377-2881

NSN 5331-00-377-2881 · NIIN 003772881 · Part number 5179656
General Motors Llc Dba General Motors Llc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 7X677
Government record, cited
NSN 5331-00-377-2881 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-377-2881. Manufacturer of record part number: 5179656.
Also searched as  5331-00-377-2881 · 5331003772881 · NIIN 003772881 · 00-377-2881 · FSC 5331 O-ring · CAGE 7X677 · 5179656
Nearby stock numbers  ·
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • Center Hole Diameter: 12.945 INCHES MINIMUM AND 13.005 INCHES MAXIMUM IN
  • Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
  • 2 manufacturer part numbers on file
  • Manufacturer of record: General Motors Llc Dba General Motors Llc
Identification
  • NSN: 5331-00-377-2881
  • NIIN: 003772881
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 5179656
  • Manufacturer: General Motors Llc Dba General Motors Llc
General Description

The O-Ring, cataloged under National Stock Number 5331-00-377-2881, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-377-2881
Primary Part Number5179656
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusACTIVE
Cross-Sectional Height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Center Hole Diameter12.945 INCHES MINIMUM AND 13.005 INCHES MAXIMUM IN
MaterialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
5179656 Rolls-Royce Solutions America Inc (USA)
5179656 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Reference documents
ReferenceMeaning
5179656 3/9 Design control — primary reference
General Motors Corp
No interchangeability data on file.
Other items in FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
O-RING
5331-00-001-3905
O-RING
5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
5331-00-001-3923
O-RING
5331-00-001-3924
O-RING

Frequently Asked Questions

What is NSN 5331-00-377-2881?

NSN 5331-00-377-2881 is a O-Ring, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-00-377-2881?

NSN 5331-00-377-2881 has 2 manufacturer part numbers on file: 5179656 (Rolls-Royce Solutions America Inc), 5179656 (General Motors Llc Dba General Motors Llc).

What are the specifications of 5179656?

Key specifications for 5179656: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Center Hole Diameter: 12.945 INCHES MINIMUM AND 13.005 INCHES MAXIMUM IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5331-00-377-2881 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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