The Cock,drain, cataloged under National Stock Number 4820-01-369-7550, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-369-7550 |
| Primary Part Number | 12938331 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Flow Control Device | PLUG |
| Flange Shape | RECTANGULAR FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | PLAIN, OPTIONAL END (PIPE) SECOND END |
| Nominal Length | 1.260 INCHES FIRST END IN |
| Connection Type | THREADED INTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Nominal Width | 2.380 INCHES FIRST END IN |
| Thread Class | 2B SECOND END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF SECOND END |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 2.008 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12938331 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 4820-01-369-7550 is a Cock,drain, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-369-7550 has 1 manufacturer part number on file: 12938331 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12938331: Flow Control Device: PLUG; Flange Shape: RECTANGULAR FIRST END; Flange Face Design: PLAIN FIRST END; Connection Style: PLAIN, OPTIONAL END (PIPE) SECOND END. 16 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.
NSN 4820-01-369-7550 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.