The O-Ring, cataloged under National Stock Number 5331-01-550-8945, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-550-8945 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Center Hole Diameter | 1.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 10025947 | 5/9 Secondary reference General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
| 20704849 | 3/2 Design control — primary reference U.S. Government activity |
| 56AX470 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-550-8945 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-550-8945: Center Hole Diameter: 1.375 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: 0-RING (1-1/2 INCH OD, 1-3/8 INCH ID) IN; End Item Identification: 2320-01-529-2249; TRUCK, BOMB SERVICE; MRAP BUFFALO MK2A2. 1 specification is 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.