The O-Ring, cataloged under National Stock Number 5331-01-287-1608, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Apple Rubber Products, Inc. Dba Apple Rubber Products 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-287-1608 |
| Primary Part Number | 0.146 X 0.039 IN 60BN |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.036 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 0.146 X 0.039 IN 60BN PRIMARY | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 70641-1 | 7/2 Vendor item drawing reference L3harris Mas Inc Div L3harris Mas Inc. |
NSN 5331-01-287-1608 is a O-Ring, manufactured by Apple Rubber Products, Inc. Dba Apple Rubber Products Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-287-1608 has 1 manufacturer part number on file: 0.146 X 0.039 IN 60BN (Apple Rubber Products, Inc. Dba Apple Rubber Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-469-1722. Verify interchangeability with system specifications before substitution.
Key specifications for 0.146 X 0.039 IN 60BN: Cross-Sectional Height: 0.036 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN; Center Hole Diameter: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.