The O-Ring, cataloged under National Stock Number 5331-01-383-8740, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Corken International Corp Sub of Hinderliter Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | Corken International Corp Sub of Hinderliter Industries Inc (CAGE 34561) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-383-8740 |
| Primary Part Number | 2-233A |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Corken International Corp Sub of Hinderliter Industries Inc |
| 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 |
|---|---|
| 2-233A PRIMARY | Corken International Corp Sub of Hinderliter Industries Inc (USA) |
NSN 5331-01-383-8740 is a O-Ring, manufactured by Corken International Corp Sub of Hinderliter Industries Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-383-8740 has 1 manufacturer part number on file: 2-233A (Corken International Corp Sub of Hinderliter Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-440-9557. 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.