The Cock,plug, cataloged under National Stock Number 4820-00-756-1941, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Standard Services Company, Inc.. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-756-1941 |
| Primary Part Number | 104-HD-06 |
| Item Name | Cock,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Standard Services Company, Inc. |
| Status | ACTIVE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Flow Style | TWO WAY TWO PORT 90 DEGREE PLUG TURN |
| Operating Pressure | 40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | NONADJUSTABLE ROTATION |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Mounting Facility | BRACKET(S) |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | ALUMINUM ALLOY STEM |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY SEAT |
| Thread Series Designator | NPTF 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 |
|---|---|
| 104-HD-06 | Standard Services Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 104HD3-8NPT | 5/9 Secondary reference Imperial |
| 104HD3-8 | C/1 Advisory reference — outside the item-of-supply concept Imperial |
| 104HD | D/9 Drawing number reference only Imperial |
| 104HD-06X06 | 5/9 Secondary reference Imperial |
| 104-HD-06 | 3/9 Design control — primary reference Imperial |
NSN 4820-00-756-1941 is a Cock,plug, manufactured by Standard Services Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-756-1941 has 1 manufacturer part number on file: 104-HD-06 (Standard Services Company, Inc.).
Key specifications for 104-HD-06: Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Flow Style: TWO WAY TWO PORT 90 DEGREE PLUG TURN; Operating Pressure: 40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 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.
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.