The Body,valve, cataloged under National Stock Number 4820-01-661-7552, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-661-7552 |
| Primary Part Number | WM-3138-1.0 |
| Item Name | Body,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd |
| Status | ACTIVE |
| Port Quantity | 2 |
| Valve Model Number for Which Designed | WM3138 |
| Valve Design Control Activity | 62834 |
| Material | STEEL |
| 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 |
|---|---|
| WM-3138-1.0 PRIMARY | Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd (USA) |
| Reference | Meaning |
|---|---|
| WM3138-10 | 5/9 Secondary reference Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd |
NSN 4820-01-661-7552 is a Body,valve, manufactured by Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-661-7552 has 1 manufacturer part number on file: WM-3138-1.0 (Wilkes & Mc Lean Ltd Div Wilkes and Mclean Ltd).
Key specifications for WM-3138-1.0: Port Quantity: 2; Valve Model Number for Which Designed: WM3138; Valve Design Control Activity: 62834; End Item Identification: 3000 PSI STAINLESS STEEL SUPPRESSORS. 4 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.