The O-Ring, cataloged under National Stock Number 5331-01-207-1496, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Newdell Company, the Dba Ladish Valves (CAGE 11661); Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (CAGE 34646) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-207-1496 |
| Primary Part Number | C1008-505-034 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy |
| 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 |
|---|---|
| 7276-1.0IN PIECE 24 | Newdell Company, the Dba Ladish Valves (USA) |
| 7276-1.25IN PIECE 24 | Newdell Company, the Dba Ladish Valves (USA) |
| C1008-505-034 PRIMARY | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| Reference | Meaning |
|---|---|
| C1008-505-034 | 5/9 Secondary reference Newdell Company, the Dba Ladish Valves |
NSN 5331-01-207-1496 is a O-Ring, manufactured by Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-207-1496 has 3 manufacturer part numbers on file: 7276-1.0IN PIECE 24 (Newdell Company, the Dba Ladish Valves), 7276-1.25IN PIECE 24 (Newdell Company, the Dba Ladish Valves), C1008-505-034 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-529-4248. Verify interchangeability with system specifications before substitution.
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.