The O-Ring, cataloged under National Stock Number 5331-01-509-5427, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Valtek Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-509-5427 |
| Primary Part Number | 001112.650.000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Valtek Inc |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 608537.001 SEQ 272 | Valtek Inc (USA) |
| 608537.001 SEQ 272 | Flowserve Us Company Div Flow Control Division (USA) |
| 001114.650.000 | Pro-Quip Inc (USA) |
| 608537.001 SEQ 271 | Valtek Inc (USA) |
| 001112.650.000 PRIMARY | Valtek Inc (USA) |
| 001114.650.000 | Valtek Inc (USA) |
| 608537.001 SEQ 271 | Flowserve Us Company Div Flow Control Division (USA) |
NSN 5331-01-509-5427 is a O-Ring, manufactured by Valtek Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-509-5427 has 7 manufacturer part numbers on file: 608537.001 SEQ 272 (Valtek Inc), 608537.001 SEQ 272 (Flowserve Us Company Div Flow Control Division), 001114.650.000 (Pro-Quip Inc), 608537.001 SEQ 271 (Valtek Inc), 001112.650.000 (Valtek Inc) and 2 more.
Key specifications for 001112.650.000: End Item Identification: VALVE,PRESSURE REDUCING REGLATOR; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 1 specification is 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.