The Valve,angle, cataloged under National Stock Number 4820-00-287-2573, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kerotest Manufacturing Corp.. Government technical data includes 23 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 | 4820-00-287-2573 |
| Primary Part Number | 7974S |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kerotest Manufacturing Corp. |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 0.375 INCHES SECOND END IN |
| Connection Style | SOCKET (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | ANGLE |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | REFRIGERANT 22 SECOND RESPONSE |
| Media for Which Designed | REFRIGERANT 12 FIRST RESPONSE |
| Thread Quantity Per Inch | 18 SECOND END |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY SEAT |
| Material | STEEL CORROSION RESISTING AND PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE |
| Thread Series Designator | NPT SECOND 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 |
|---|---|
| 7974S PRIMARY | Kerotest Manufacturing Corp. (USA) |
NSN 4820-00-287-2573 is a Valve,angle, manufactured by Kerotest Manufacturing Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-287-2573 has 1 manufacturer part number on file: 7974S (Kerotest Manufacturing Corp.).
Key specifications for 7974S: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 0.375 INCHES SECOND END IN; Connection Style: SOCKET (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 23 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.