The Valve,angle, cataloged under National Stock Number 4820-00-473-4889, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-473-4889 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISKDISK |
| Connection Style | SOCKET (TUBE) ALL ENDSSOCKET (TUBE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDSUNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | ANGLE |
| Nominal Outside Diameter Tube Accommodated | 1.375 INCHES ALL ENDS IN |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SPRINGINSIDE SPRING |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Bonnet Attachment Method | THREADEDTHREADED |
| Media for Which Designed | VACUUM SINGLE RESPONSE |
| Test Data Document | 81349-MIL-V-20064 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 | COPPER ALLOY STEM |
| Material | COPPER ALLOY SEATCOPPER ALLOY BODY |
| Material | COPPER ALLOY STEMCOPPER ALLOY SEAT |
| 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 |
|---|---|
| 6421N | 5/9 Secondary reference Henry Technologies, Inc. |
| 382-5901-1193347ALT1PCV8 | 3/2 Design control — primary reference U.S. Government activity |
| 313-5901-795947ALT5PCV1 | 3/2 Design control — primary reference U.S. Government activity |
| MIL-V-20064 | 5/9 Secondary reference U.S. Government activity |
| 55400S5900-871191PC6421N | 5/1 Secondary reference U.S. Government activity |
| MIL-DTL-20064 | 4/1 Identification reference U.S. Government activity |
| SK5074NPC6421N | 5/9 Secondary reference Henry Technologies, Inc. |
| 313-5901-161820ALT2PCV1 | 3/2 Design control — primary reference U.S. Government activity |
| K1-3803-1002060PCV11 | 3/2 Design control — primary reference U.S. Government activity |
| 382-5901-1193347ALT1PCV1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-473-4889 is a Valve,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-473-4889: Flow Control Device: DISKDISK; Connection Style: SOCKET (TUBE) ALL ENDSSOCKET (TUBE) ALL ENDS; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDSUNTHREADED INTERNAL TUBE ALL ENDS; Style Designator: ANGLE. 16 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.