The O-Ring, cataloged under National Stock Number 5331-01-054-6186, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dodge-Wasmund Manufacturing 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Dodge-Wasmund Manufacturing Inc (CAGE 02886); Proponent, Inc. Dba Proponent (CAGE 59789) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-054-6186 |
| Primary Part Number | 28774-264 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Dodge-Wasmund Manufacturing 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 |
|---|---|
| 28774-264 PRIMARY | Dodge-Wasmund Manufacturing Inc (USA) |
| 626-047-9264 | Proponent, Inc. Dba Proponent (USA) |
| Reference | Meaning |
|---|---|
| M28774-264ES | 5/9 Secondary reference Eriks B.v. |
| 626-047-9264 | 7/2 Vendor item drawing reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 5331-01-054-6186 is a O-Ring, manufactured by Dodge-Wasmund Manufacturing Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-054-6186 has 2 manufacturer part numbers on file: 28774-264 (Dodge-Wasmund Manufacturing Inc), 626-047-9264 (Proponent, Inc. Dba Proponent).
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.