The O-Ring, cataloged under National Stock Number 5331-01-454-0945, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Clausing Industrial Inc Dba Clausing Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Clausing Industrial Inc Dba Clausing Corp (CAGE 64501) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-454-0945 |
| Primary Part Number | B413-0111 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Clausing Industrial Inc Dba Clausing Corp |
| 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 |
|---|---|
| B413-0111 PRIMARY | Clausing Industrial Inc Dba Clausing Corp (USA) |
| Reference | Meaning |
|---|---|
| 202-513 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-454-0945 is a O-Ring, manufactured by Clausing Industrial Inc Dba Clausing Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-454-0945 has 1 manufacturer part number on file: B413-0111 (Clausing Industrial Inc Dba Clausing Corp).
2 possible matches (shared part number, not a government interchangeability claim): 3030-01-466-9476, 4730-01-599-2407. 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.