The Cock,plug, cataloged under National Stock Number 4820-00-163-0502, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bellofram Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-163-0502 |
| Primary Part Number | TYPE35BRASS |
| Item Name | Cock,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Material Document and Classification | QQ-B-626 COMP 1 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626 COMP 22 FED SPEC 2ND MATERIAL RESPONSE OR ASTM B16 ASSN STD 3RD MATERIAL RESPONSE OR ASTM B36 ALLOY NO. 80JGFASTM B62 ASSN STD 4TH MATERIAL RESPONSE BODY |
| Flow Style | TWO WAY TWO PORT 90 DEGREE PLUG TURN |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Maximum Operating Temp | 100.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT 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 |
|---|---|
| TYPE35BRASS | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| 11241873 | 5/9 Secondary reference Ballistic Missile Defense Systems Command |
| TYPE35BRASS | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| FIG979 1-4 | 3/9 Design control — primary reference Lunkenheimer Co |
NSN 4820-00-163-0502 is a Cock,plug, manufactured by Bellofram Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-163-0502 has 1 manufacturer part number on file: TYPE35BRASS (Bellofram Corporation).
Key specifications for TYPE35BRASS: Connection Style: PLAIN, OPTIONAL END (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 18 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.