The Valve,angle, cataloged under National Stock Number 4820-00-351-7396, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-351-7396 |
| Primary Part Number | 81571-01 2IN |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Flow Control Device | DISKDISK |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS2.000 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDSSOCKET ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDSUNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Material Document and Classification | ASTMA105,GRADE2 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMA105,GRADE2 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICEMIL-R-17131,MIL-RC0CR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTMA105,GRADE2 ASSN STD SINGLE MATERIAL RESPONSE BODYASTMA105,GRADE2 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-R-17131,MIL-RC0CR-A MIL SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTMA105,GRADE2 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | BONNET PACKINGBONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 775.0 FAHRENHEIT SINGLE RESPONSE775.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | D COMPOSITION |
| Bonnet Attachment Method | BOLTEDBOLTED |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Test Data Document | 81349-MIL-S-901 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.). |
| Material | STEEL CORROSION RESISTING STEM |
| Material | STEEL FLOW CONTROL DEVICESTEEL SEAT |
| Material | STEEL SEATSTEEL BODY |
| Material | STEEL CORROSION RESISTING STEMSTEEL FLOW CONTROL DEVICE |
| Valve Operation Method | MANUALMANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 81571-01 2IN PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| W083075B02TS/33311-30H/882002734 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| MILV22094 | 4/1 Identification reference U.S. Government activity |
NSN 4820-00-351-7396 is a Valve,angle, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-351-7396 has 2 manufacturer part numbers on file: 81571-01 2IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), W083075B02TS/33311-30H/882002734 (Velan Valve Corp.).
Key specifications for 81571-01 2IN: Flow Control Device: DISKDISK; Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS2.000 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDSSOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDSUNTHREADED INTERNAL PIPE ALL ENDS. 21 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.
NSN 4820-00-351-7396 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.