The O-Ring, cataloged under National Stock Number 5331-00-387-1042, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Brighton Cromwell Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5331-00-387-1042 |
| Primary Part Number | AB0050682241E |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Brighton Cromwell Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| AB0050682241E | Brighton Cromwell Llc (USA) |
| Reference | Meaning |
|---|---|
| AB0050682241E | 5/9 Secondary reference Ar Bee Corp |
| 398-214-72 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 05-682241E | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
| 003-682241-E | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
| 682241E | 3/2 Design control — primary reference U.S. Government activity |
| 003-682241-E | C/1 Advisory reference — outside the item-of-supply concept Tvh Parts Co. |
NSN 5331-00-387-1042 is a O-Ring, manufactured by Brighton Cromwell Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-387-1042 has 1 manufacturer part number on file: AB0050682241E (Brighton Cromwell Llc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-385-5121. Verify interchangeability with system specifications before substitution.
Key specifications for AB0050682241E: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 specifications are 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.