The Cock,drain, cataloged under National Stock Number 4820-01-210-1264, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cincinnati Valve Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-210-1264 |
| Primary Part Number | 981 3/8 IN |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cincinnati Valve Company |
| Status | ACTIVE |
| Flow Control Device | DISK OR STEM |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Maximum Operating Temp | 406.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Material | COPPER ALLOY 836 BODY |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 981 3/8 IN | Cincinnati Valve Company (USA) |
| Reference | Meaning |
|---|---|
| 981 | 3/9 Design control — primary reference Lunkenheimer Co |
| CA10304 PIECE 21 | 5/9 Secondary reference U.S. Government activity |
| CA10304 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-210-1264 is a Cock,drain, manufactured by Cincinnati Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-210-1264 has 1 manufacturer part number on file: 981 3/8 IN (Cincinnati Valve Company).
Key specifications for 981 3/8 IN: Flow Control Device: DISK OR STEM; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 12 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.