The O-Ring, cataloged under National Stock Number 5331-01-429-6578, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-429-6578 |
| Primary Part Number | A14043 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Crane Co Div Valve Div |
| 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 |
|---|---|
| A14043 PRIMARY | Crane Co Div Valve Div (USA) |
| C-3150669-B IT6 | Crane Co Div Valve Div (USA) |
NSN 5331-01-429-6578 is a O-Ring, manufactured by Crane Co Div Valve Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-429-6578 has 2 manufacturer part numbers on file: A14043 (Crane Co Div Valve Div), C-3150669-B IT6 (Crane Co Div Valve Div).
Key specifications for A14043: 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.