The O-Ring, cataloged under National Stock Number 5331-01-673-3725, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Acushnet Rubber Company, Inc. Dba Precix. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Acushnet Rubber Company, Inc. Dba Precix (CAGE 70106); Sae International Dba Sae International (CAGE 0U583); Parker-Hannifin Corp Div O-Ring Division (CAGE 02697); Freudenberg-Nok General Partnership Dba International Seal Co Inc (CAGE 1CN74); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-673-3725 |
| Primary Part Number | ST1946-147 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Acushnet Rubber Company, Inc. Dba Precix |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST1946-147 PRIMARY | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| M83485/1-147 PRIMARY | Sae International Dba Sae International (USA) |
| ST1946-147 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| ST1946-147 PRIMARY | Freudenberg-Nok General Partnership Dba International Seal Co Inc (USA) |
| ST1946-147 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 5331PL2028387 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-01-673-3725 is a O-Ring, manufactured by Acushnet Rubber Company, Inc. Dba Precix, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-673-3725 has 5 manufacturer part numbers on file: ST1946-147 (Acushnet Rubber Company, Inc. Dba Precix), M83485/1-147 (Sae International Dba Sae International), ST1946-147 (Parker-Hannifin Corp Div O-Ring Division), ST1946-147 (Freudenberg-Nok General Partnership Dba International Seal Co Inc), ST1946-147 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
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.