The Valve,angle, cataloged under National Stock Number 4820-01-512-9969, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-512-9969 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Furnished Items and Quantity | 1 HANDWHEEL AND 2 TAILPIECE |
| Renewable Seat Ring Type | PRESSED-IN |
| Nominal Pipe Size Accommodated | 0.555 INCHES FIRST END IN |
| Connection Style | SOCKET FIRST END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Minimum Operating Temp | -20.0 FAHRENHEIT DEGF |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | ANGLE |
| Material Document and Classification | ASTM-A-276 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM-A-351, CF-8 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM-B-164 (MONEL) ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | MIL-R-83248 TY. 1 CL. 2 (VITON) MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Material Document and Classification | P-3086 PLASTIC POLYAMIDE (NYLON) MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Specification/standard Data | 81349-MIL-V-24109A GOVERNMENT SPECIFICATION A |
| Maximum Operating Temp | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Departure From Cited Document | MODIFIED WITH TAILPIECES AND UNION NUTS. |
| Nondefinitive Spec/std Data | 381-1-VA ASSEMBLY |
| Bonnet Attachment Method | THREADED |
| Test Data Document | 81349-MIL-S-901D SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 18 SECOND END |
| Material | RUBBER SYNTHETIC PACKING |
| 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 |
|---|---|
| PLC-12899 | D/9 Drawing number reference only U.S. Government activity |
| 381-1-VA-PLC12899 | 3/2 Design control — primary reference U.S. Government activity |
| MIL-V-24109 | 4/1 Identification reference U.S. Government activity |
NSN 4820-01-512-9969 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-512-9969: Flow Control Device: DISK; Furnished Items and Quantity: 1 HANDWHEEL AND 2 TAILPIECE; Renewable Seat Ring Type: PRESSED-IN; Nominal Pipe Size Accommodated: 0.555 INCHES FIRST END IN. 27 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.