The Cock,poppet Drain, cataloged under National Stock Number 4820-01-616-8920, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Akron Brass Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cock,poppet Drain |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Akron Brass Company (CAGE 00912) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-616-8920 |
| Primary Part Number | 74511 |
| Item Name | Cock,poppet Drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Akron Brass Company |
| 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 |
|---|---|
| D44557 FIND 63 | Akron Brass Company (USA) |
| 74511 PRIMARY | Akron Brass Company (USA) |
NSN 4820-01-616-8920 is a Cock,poppet Drain, manufactured by Akron Brass Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-616-8920 has 2 manufacturer part numbers on file: D44557 FIND 63 (Akron Brass Company), 74511 (Akron Brass Company).
1 possible match (shared part number, not a government interchangeability claim): 5130-01-734-1705. Verify interchangeability with system specifications before substitution.
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.