The O-Ring, cataloged under National Stock Number 5331-00-143-7255, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-143-7255 |
| Primary Part Number | 6843333-151 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.963 INCHES MINIMUM AND 3.011 INCHES MAXIMUM 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 |
|---|---|
| 6843333-151 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 6843333-151 PRIMARY | Rolls-Royce Corporation (USA) |
NSN 5331-00-143-7255 is a O-Ring, manufactured by Rolls-Royce Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-143-7255 has 2 manufacturer part numbers on file: 6843333-151 (Allison Transmission Inc Dba Allison Transmission, Inc), 6843333-151 (Rolls-Royce Corporation).
Key specifications for 6843333-151: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 2.963 INCHES MINIMUM AND 3.011 INCHES MAXIMUM IN; Material: RUBBER. 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.