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NSN 5331-01-077-5228Government record, cited

O-Ring5331-01-077-5228

NSN 5331-01-077-5228 · NIIN 010775228 · Part number 212161
Cummins Inc. · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 15434
Government record, cited
NSN 5331-01-077-5228 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-077-5228. Manufacturer of record part number: 212161.
Also searched as  5331-01-077-5228 · 5331010775228 · NIIN 010775228 · 01-077-5228 · FSC 5331 O-ring · CAGE 15434 · 212161
Nearby stock numbers  ·
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Cummins Inc.
Identification
  • NSN: 5331-01-077-5228
  • NIIN: 010775228
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 212161
  • Manufacturer: Cummins Inc.
General Description

The O-Ring, cataloged under National Stock Number 5331-01-077-5228, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
NSN5331-01-077-5228
Primary Part Number212161
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerCummins Inc.
StatusACTIVE
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
Center Hole Diameter1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN
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
212161 PRIMARY Cummins Inc. (USA)
212161 Cummins Ltd (GBR)
212161 Royston Limited (GBR)
Reference documents
ReferenceMeaning
212161 5/1 Secondary reference
International Trucks Australia Limited
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 5331-01-077-5228?

NSN 5331-01-077-5228 is a O-Ring, manufactured by Cummins Inc., classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-077-5228?

NSN 5331-01-077-5228 has 3 manufacturer part numbers on file: 212161 (Cummins Inc.), 212161 (Cummins Ltd), 212161 (Royston Limited).

What are the specifications of 212161?

Key specifications for 212161: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Center Hole Diameter: 1.165 INCHES MINIMUM AND 1.177 INCHES MAXIMUM IN. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-077-5228 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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