The Cock,drain, cataloged under National Stock Number 4820-01-554-4078, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. 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 | 4820-01-554-4078 |
| Primary Part Number | 29536777 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| 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 |
|---|---|
| 29536777 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 4820-01-554-4078 is a Cock,drain, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-554-4078 has 1 manufacturer part number on file: 29536777 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 29536777: Part Name Assigned by Controlling Agency: PLUG ASSEMBLY, SHIPPING COOLER PORT 3/4-16; End Item Identification: 2420-01-538-8287 TRACTOR, WHEELED, HIGH SPEED. 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.