The O-Ring, cataloged under National Stock Number 5331-01-463-1210, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Atlantic India Rubber Co Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-463-1210 |
| Primary Part Number | OR155 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Atlantic India Rubber Co Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.094 INCHES NOMINAL IN |
| Center Hole Diameter | 4.000 INCHES NOMINAL IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| OR155 PRIMARY | Atlantic India Rubber Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 2282320 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Corp |
NSN 5331-01-463-1210 is a O-Ring, manufactured by Atlantic India Rubber Co Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-463-1210 has 1 manufacturer part number on file: OR155 (Atlantic India Rubber Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-613-9453. Verify interchangeability with system specifications before substitution.
Key specifications for OR155: Cross-Sectional Height: 0.094 INCHES NOMINAL IN; Special Features: 4 3/15 OVERALL DIAMETER; Center Hole Diameter: 4.000 INCHES NOMINAL IN; End Item Identification: 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM). 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.