The O-Ring, cataloged under National Stock Number 5331-01-543-7273, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-543-7273 |
| Primary Part Number | 9464K71 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Material Document and Classification | SAE J200 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Color | BLACK |
| Center Hole Diameter | 0.676 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 |
|---|---|
| 9464K71 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 2005111 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5331-01-543-7273 is a O-Ring, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-543-7273 has 1 manufacturer part number on file: 9464K71 (Mcmaster-Carr Supply Co).
Key specifications for 9464K71: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Material Document and Classification: SAE J200 NATIONAL SPEC SINGLE MATERIAL RESPONSE; Color: BLACK; Special Features: VITON O-RING; PACKAGE OF 50. 5 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.