The O-Ring, cataloged under National Stock Number 5331-01-473-2351, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-473-2351 |
| Primary Part Number | 1.181 X .079 |
| 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 | 0.076 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Material Document and Classification | ZZ-R-765, CLASS 2A, GRADE 60 OR 70 FED SPEC SINGLE MATERIAL RESPONSE A |
| Center Hole Diameter | 1.172 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| 1.181 X .079 PRIMARY | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (USA) |
| 1.181 X .079 | Quality Die Cutting Inc. Dba Quality Die Cutting Inc (USA) |
| Reference | Meaning |
|---|---|
| A3013096-11 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-01-473-2351 is a O-Ring, manufactured by Apple Rubber Products, Inc. Dba Apple Rubber Products Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-473-2351 has 2 manufacturer part numbers on file: 1.181 X .079 (Apple Rubber Products, Inc. Dba Apple Rubber Products Inc), 1.181 X .079 (Quality Die Cutting Inc. Dba Quality Die Cutting Inc).
Key specifications for 1.181 X .079: Cross-Sectional Height: 0.076 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN; Material Document and Classification: ZZ-R-765, CLASS 2A, GRADE 60 OR 70 FED SPEC SINGLE MATERIAL RESPONSE A; Center Hole Diameter: 1.172 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN; End Item Identification: RADIO SYSTEM, SINGLE CHANNEL GROUND AND AIRBORNE-V (SINCGARS). 4 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.