The O-Ring, cataloged under National Stock Number 5331-01-390-2895, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Crestwood Technology Group, Llc. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Crestwood Technology Group, Llc (CAGE 1S5X8); Csg Parts, Llc (CAGE 6MAL3); Wbparts Inc (CAGE 46PU2) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-390-2895 |
| Primary Part Number | 45010956 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Crestwood Technology Group, Llc |
| 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 |
|---|---|
| 45010956 | Crestwood Technology Group, Llc (USA) |
| 45010956 | Csg Parts, Llc (USA) |
| 45010956 | Wbparts Inc (USA) |
| Reference | Meaning |
|---|---|
| 45010956 | 3/9 Design control — primary reference U.S. Government activity |
| 47006363 SYM-16D | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-390-2895 is a O-Ring, manufactured by Crestwood Technology Group, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-390-2895 has 3 manufacturer part numbers on file: 45010956 (Crestwood Technology Group, Llc), 45010956 (Csg Parts, Llc), 45010956 (Wbparts 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.