The O-Ring, cataloged under National Stock Number 5331-01-682-0896, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-682-0896 |
| Primary Part Number | 1025C11-4242-226 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Center Hole Diameter | 2.00 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| 1025C11-4242-226 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 1025-07-0294 FN 84 | D/9 Drawing number reference only The Entwistle Company Llc |
NSN 5331-01-682-0896 is a O-Ring, manufactured by The Entwistle Company Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-682-0896 has 1 manufacturer part number on file: 1025C11-4242-226 (The Entwistle Company Llc).
Key specifications for 1025C11-4242-226: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Center Hole Diameter: 2.00 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING, SQUARE; Material: RUBBER SILICONE CLASS Q. 3 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.