The O-Ring, cataloged under National Stock Number 5331-01-163-9785, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Hamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030); Corru-Seals, Inc. (CAGE 59088) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-163-9785 |
| Primary Part Number | 767878-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| 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 |
|---|---|
| 767878-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 767878 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 67107 | Corru-Seals, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5331PL0848111 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5331PL1739717 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-01-163-9785 is a O-Ring, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-163-9785 has 3 manufacturer part numbers on file: 767878-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 767878 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 67107 (Corru-Seals, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-217-0391. 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.