The Cock,drain, cataloged under National Stock Number 4820-01-644-7258, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allen and Webb. 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 | 4820-01-644-7258 |
| Primary Part Number | 10535 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Allen and Webb |
| 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 |
|---|---|
| 10535 PRIMARY | Allen and Webb (USA) |
NSN 4820-01-644-7258 is a Cock,drain, manufactured by Allen and Webb, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-644-7258 has 1 manufacturer part number on file: 10535 (Allen and Webb).
Key specifications for 10535: Part Name Assigned by Controlling Agency: WEEP DRAIN; End Item Identification: TRUCK, BOMB SERVICE. 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.