The O-Ring, cataloged under National Stock Number 5331-01-526-5286, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Chpt Manufacturing Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-526-5286 |
| Primary Part Number | P517371 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Chpt Manufacturing Inc |
| 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 |
|---|---|
| P517371 PRIMARY | Chpt Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| P517371 | 5/9 Secondary reference Fmc Technologies Inc Dba Fmc Fluid Control |
NSN 5331-01-526-5286 is a O-Ring, manufactured by Chpt Manufacturing Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-526-5286 has 1 manufacturer part number on file: P517371 (Chpt Manufacturing Inc).
Key specifications for P517371: Special Features: KIT, O-RING; End Item Identification: TACTICAL WATER PURIFICATION SYS; TWPS 4610-01-488-9656. 0 specifications are documented in the U.S. Government catalog.
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.