The Cock,plug, cataloged under National Stock Number 4820-00-181-9333, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-181-9333 |
| Primary Part Number | 6875709 |
| Item Name | Cock,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Flow Style | TWO WAY TWO PORT 90 DEGREE PLUG TURN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Thread Class | 3B FIRST END |
| Material | STEEL COMP 303 BODY |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| 6875709 | Boeing Distribution, Inc. (USA) |
| 6875709 PRIMARY | Rolls-Royce Corporation (USA) |
| 6875709 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| P92-717 | 5/2 Secondary reference U.S. Government activity |
| 9532T4BB | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-181-9333 is a Cock,plug, manufactured by Rolls-Royce Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-181-9333 has 3 manufacturer part numbers on file: 6875709 (Boeing Distribution, Inc.), 6875709 (Rolls-Royce Corporation), 6875709 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6875709: Connection Type: THREADED INTERNAL BOSS FIRST END; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Flow Style: TWO WAY TWO PORT 90 DEGREE PLUG TURN; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 10 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.