PartsTable TECHNICAL DATA SHEET
NSN 5331-01-663-2634Government record, cited

O-Ring5331-01-663-2634

NSN 5331-01-663-2634 · NIIN 016632634 · Part number 4250512
Oshkosh Defense Llc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 75Q65
Government record, cited
NSN 5331-01-663-2634 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-663-2634. Manufacturer of record part number: 4250512.
Also searched as  5331-01-663-2634 · 5331016632634 · NIIN 016632634 · 01-663-2634 · FSC 5331 O-ring · CAGE 75Q65 · 4250512
Nearby stock numbers  ·
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.10 INCHES NOMINAL IN
  • Outside Diameter: 2.63 INCHES NOMINAL IN
  • Color: BLACK
  • Center Hole Diameter: 2.43 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE NITRILE
  • 1 manufacturer part number on file
  • Manufacturer of record: Oshkosh Defense Llc
Identification
  • NSN: 5331-01-663-2634
  • NIIN: 016632634
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 4250512
  • Manufacturer: Oshkosh Defense Llc
General Description

The O-Ring, cataloged under National Stock Number 5331-01-663-2634, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-663-2634
Primary Part Number4250512
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerOshkosh Defense Llc
StatusACTIVE
Cross-Sectional Height0.10 INCHES NOMINAL IN
Outside Diameter2.63 INCHES NOMINAL IN
ColorBLACK
Center Hole Diameter2.43 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE NITRILE
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
4250512 PRIMARY Oshkosh Defense Llc (USA)
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 5331-01-663-2634?

NSN 5331-01-663-2634 is a O-Ring, manufactured by Oshkosh Defense Llc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-663-2634?

NSN 5331-01-663-2634 has 1 manufacturer part number on file: 4250512 (Oshkosh Defense Llc).

What are the specifications of 4250512?

Key specifications for 4250512: Cross-Sectional Height: 0.10 INCHES NOMINAL IN; Outside Diameter: 2.63 INCHES NOMINAL IN; Color: BLACK; Center Hole Diameter: 2.43 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-663-2634 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.
PartsTable Design LLC · partstable.com