The O-Ring, cataloged under National Stock Number 5331-01-158-1976, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Mhd-Rockland Inc. Dba Mhd-Rockland Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Mhd-Rockland Inc. Dba Mhd-Rockland Inc (CAGE 4S7J4); Safran Electrical & Power Uk Limited (CAGE K4358) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-158-1976 |
| Primary Part Number | 96715113 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Mhd-Rockland Inc. Dba Mhd-Rockland Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 96715113 | Mhd-Rockland Inc. Dba Mhd-Rockland Inc (USA) |
| 79801353113 | Safran Electrical & Power Uk Limited (GBR) |
| Reference | Meaning |
|---|---|
| 79801353113 | 3/9 Design control — primary reference U.S. Government activity |
| 79801353113 | 5/9 Secondary reference Triumph Engine Control Systems Llc |
NSN 5331-01-158-1976 is a O-Ring, manufactured by Mhd-Rockland Inc. Dba Mhd-Rockland Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-158-1976 has 2 manufacturer part numbers on file: 96715113 (Mhd-Rockland Inc. Dba Mhd-Rockland Inc), 79801353113 (Safran Electrical & Power Uk Limited).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-502-4934. Verify interchangeability with system specifications before substitution.
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.