The O-Ring, cataloged under National Stock Number 5331-00-170-9146, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Controls and Data Services Limited. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Goodrich Control Systems (CAGE U9231); Goodrich Limited Div Goodrich Ltd (CAGE K0131); Rolls-Royce Controls and Data Services Limited (CAGE U4271) |
| Parameter | Value |
|---|---|
| NSN | 5331-00-170-9146 |
| Primary Part Number | 216-911 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rolls-Royce Controls and Data Services Limited |
| 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 |
|---|---|
| 216-911 | Goodrich Control Systems (GBR) |
| STD1050-4071 | Goodrich Limited Div Goodrich Ltd (GBR) |
| 216-911 PRIMARY | Rolls-Royce Controls and Data Services Limited (GBR) |
| Reference | Meaning |
|---|---|
| 216-911 | 5/9 Secondary reference Goodrich Control Systems Ltd T/a Goodrich Engine Control Systems |
| 216-911 | 5/9 Secondary reference Goodrich Limited Div Goodrich Ltd |
NSN 5331-00-170-9146 is a O-Ring, manufactured by Rolls-Royce Controls and Data Services Limited, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-170-9146 has 3 manufacturer part numbers on file: 216-911 (Goodrich Control Systems), STD1050-4071 (Goodrich Limited Div Goodrich Ltd), 216-911 (Rolls-Royce Controls and Data Services Limited).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-161-0232. 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.