The O-Ring, cataloged under National Stock Number 5331-01-500-1664, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Atlas Copco Compressors 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Atlas Copco Compressors Inc (CAGE 0WAL4) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-500-1664 |
| Primary Part Number | 0663 7141 00 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Atlas Copco Compressors 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 |
|---|---|
| 0663 7141 00 PRIMARY | Atlas Copco Compressors Inc (USA) |
| Reference | Meaning |
|---|---|
| 0663 7141 00 | 5/9 Secondary reference Benz Compressed Air Systems, Inc Dba Benz Engineering |
| 0663 7141 00 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-500-1664 is a O-Ring, manufactured by Atlas Copco Compressors Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-500-1664 has 1 manufacturer part number on file: 0663 7141 00 (Atlas Copco Compressors Inc).
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.