The O-Ring, cataloged under National Stock Number 5331-01-204-2027, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hoffman/new Yorker Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Hoffman/new Yorker Inc (CAGE 43528) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-204-2027 |
| Primary Part Number | P-724 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hoffman/new Yorker 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 |
|---|---|
| P-724 PRIMARY | Hoffman/new Yorker Inc (USA) |
| Reference | Meaning |
|---|---|
| P724-3 | 5/9 Secondary reference Hoffman/new Yorker, Inc. |
| P724 | 5/9 Secondary reference Hoffman/new Yorker, Inc. |
NSN 5331-01-204-2027 is a O-Ring, manufactured by Hoffman/new Yorker Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-204-2027 has 1 manufacturer part number on file: P-724 (Hoffman/new Yorker Inc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-275-3333. 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.