The O-Ring, cataloged under National Stock Number 5331-01-676-5304, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-676-5304 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Peripheral Diameter | 11.623 INCHES NOMINAL IN |
| Center Hole Diameter | 11.454 INCHES MINIMUM AND 11.514 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NV1022979-516 | C/1 Advisory reference — outside the item-of-supply concept Hamilton Sundstrand Corporation Dba Collins Aerospace |
| NAS1611-277 | 3/2 Design control — primary reference U.S. Government activity |
| S9515-A6-MMA-010 FIG 7-16-10 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| NAS1613 | 3/1 Design control — primary reference U.S. Government activity |
| S9515-A6-MMA-010 TBL 7-22-10 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5331-01-676-5304 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-676-5304: Peripheral Diameter: 11.623 INCHES NOMINAL IN; Center Hole Diameter: 11.454 INCHES MINIMUM AND 11.514 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: PACKING, ETHYLENE PROPYLENE, PREFORMED O-RING, PHOSPHATE; End Item Identification: BLOWER MOTOR. 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.