The O-Ring, cataloged under National Stock Number 5331-01-370-5664, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sabroe Refrigeration 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Sabroe Refrigeration Inc (CAGE 0CF21) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-370-5664 |
| Primary Part Number | 1331-549 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sabroe Refrigeration 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 |
|---|---|
| 1331-549 PRIMARY | Sabroe Refrigeration Inc (USA) |
| Reference | Meaning |
|---|---|
| 1331+020 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 1331-020 | 5/9 Secondary reference Sabroe Refrigeration Inc |
NSN 5331-01-370-5664 is a O-Ring, manufactured by Sabroe Refrigeration Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-370-5664 has 1 manufacturer part number on file: 1331-549 (Sabroe Refrigeration 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.