The Cock,poppet Drain, cataloged under National Stock Number 4820-01-355-3184, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-355-3184 |
| Item Name | Cock,poppet Drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Length | 0.565 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU |
| Nominal Width | 0.585 INCHES ALL ENDS IN |
| Material | RUBBER FLUOROCARBON CLASS FPM BODY |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 12562993 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| VA3123 IN COMPOUND VL1502M33 | 3/9 Design control — primary reference Centek Industries, Inc. |
NSN 4820-01-355-3184 is a Cock,poppet Drain, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-728-1545. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-355-3184: Flow Control Device: DISK; Nominal Length: 0.565 INCHES ALL ENDS IN; Style Designator: STRAIGHT THRU; Nominal Width: 0.585 INCHES ALL ENDS IN. 6 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.