The Valve,angle, cataloged under National Stock Number 4820-00-491-6780, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-491-6780 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | STEM OR STEM OR DISKDISK |
| Connection Style | GASKET SEAL(BOSS) ALL ENDSGASKET SEAL(BOSS) ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS ALL ENDSTHREADED INTERNAL BOSS ALL ENDS |
| Style Designator | ANGLE |
| Material Document and Classification | FEDSTD66 FED STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | FEDSTD66 FED STD SINGLE MATERIAL RESPONSE STEMFEDSTD66 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES ALL ENDS IN |
| Operating Pressure | 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKINGBONNET PACKING |
| Bonnet Type | INSIDE SCREWINSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.312 INCHES ALL ENDS1.312 INCHES ALL ENDS IN |
| Maximum Operating Temp | 212.0 FAHRENHEIT SINGLE RESPONSE212.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Mounting Facility | BULKHEADBULKHEAD |
| Surface Treatment | CADMIUM |
| Bonnet Attachment Method | INTEGRALINTEGRAL |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Thread Class | 3B ALL ENDS3B ALL ENDS |
| Thread Quantity Per Inch | 12 ALL ENDS12 ALL ENDS |
| Material | STEEL STEM |
| Material | STEEL SEATSTEEL BODY |
| Material | STEEL COMP 303 FLOW CONTROL DEVICESTEEL SEAT |
| Material | STEEL STEMSTEEL COMP 303 FLOW CONTROL DEVICE |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) ALL ENDS |
| Valve Operation Method | MANUALMANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| P5716 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-491-6780 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-491-6780: Flow Control Device: STEM OR STEM OR DISKDISK; Connection Style: GASKET SEAL(BOSS) ALL ENDSGASKET SEAL(BOSS) ALL ENDS; Connection Type: THREADED INTERNAL BOSS ALL ENDSTHREADED INTERNAL BOSS ALL ENDS; Style Designator: ANGLE. 25 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.