The O-Ring, cataloged under National Stock Number 5331-01-119-8755, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Greene Tweed & Co Inc (CAGE 5F573); The Boeing Company Div Defense (CAGE 76301) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-119-8755 |
| Primary Part Number | ST7M254-016-2 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The Boeing Company Div Defense |
| 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 |
|---|---|
| 7016MS160T | Greene Tweed & Co Inc (USA) |
| ST7M254-016-2 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| S38421-016BAK1 | 5/9 Secondary reference Trelleborg Sealing Solutions Us, Inc. |
| 7016MS160T | 5/9 Secondary reference Palmetto Inc |
| 10163889 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5331-01-119-8755 is a O-Ring, manufactured by The Boeing Company Div Defense, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-119-8755 has 2 manufacturer part numbers on file: 7016MS160T (Greene Tweed & Co Inc), ST7M254-016-2 (The Boeing Company Div Defense).
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.