The O-Ring, cataloged under National Stock Number 5331-01-662-9895, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-662-9895 |
| Primary Part Number | WM3138-50 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd |
| Status | ACTIVE |
| 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 |
|---|---|
| WM3138-50 PRIMARY | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd (USA) |
NSN 5331-01-662-9895 is a O-Ring, manufactured by Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-662-9895 has 1 manufacturer part number on file: WM3138-50 (Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd).
Key specifications for WM3138-50: Part Name Assigned by Controlling Agency: END PORT O-RING. 0 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.