The O-Ring, cataloged under National Stock Number 5331-01-085-6978, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (CAGE K0654); Ge Aviation Systems Llc (CAGE 35012); Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (CAGE U7388) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-085-6978 |
| Primary Part Number | 750030708 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ge Aviation Systems Llc |
| 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 |
|---|---|
| 750540708 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| 704540708 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| 750030708 PRIMARY | Ge Aviation Systems Llc (USA) |
| 750030708 | Triumph Aerospace Operations Uk, Ltd. Div Staverton Site (GBR) |
| Reference | Meaning |
|---|---|
| 750030708 | 3/9 Design control — primary reference Ge Aviation Systems Llc Dba Ge Aviation |
| 750030708 | 5/9 Secondary reference Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
NSN 5331-01-085-6978 is a O-Ring, manufactured by Ge Aviation Systems Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-085-6978 has 4 manufacturer part numbers on file: 750540708 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 704540708 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 750030708 (Ge Aviation Systems Llc), 750030708 (Triumph Aerospace Operations Uk, Ltd. Div Staverton Site).
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.