The Valve,angle, cataloged under National Stock Number 4820-00-388-9936, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is William E Williams Valve Corp. Government technical data includes 30 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 | 4820-00-388-9936 |
| Primary Part Number | FIG15A-2IN |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Flow Control Device | DISKDISK |
| Flange Shape | ROUND WITH HOLES ALL ENDSROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 4.750 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDSFLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Material Document and Classification | ASTMB371,ALLOYB ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTMB371,ALLOYB ASSN STD SINGLE MATERIAL RESPONSE STEMQQ-C-390,ALLOYD4/D/4 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-C-390,ALLOYD4/D/ FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | QQ-C-390,ALLOYD4/D/ FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICEQQ-C-390,ALLOYD4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Valve Size | 2.000 INCHES2.000 INCHES IN |
| Features Provided | BONNET PACKINGBONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 406.0 FAHRENHEIT FIRST RESPONSE406.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Second Connection Face to Centerline Distance | 3.625 INCHES IN |
| Nominal Outside Diameter | 6.000 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS4 ALL ENDS |
| Bonnet Attachment Method | BOLTEDBOLTED |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| First Connection Face to Centerline Distance | 3.625 INCHES IN |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY 922 FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 922 FLOW CONTROL DEVICECOPPER ALLOY 922 BODY |
| Material | COPPER ALLOY STEMCOPPER ALLOY 922 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 |
| Part Number | Manufacturer |
|---|---|
| FIG15A-2IN PRIMARY | William E Williams Valve Corp (USA) |
NSN 4820-00-388-9936 is a Valve,angle, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-388-9936 has 1 manufacturer part number on file: FIG15A-2IN (William E Williams Valve Corp).
Key specifications for FIG15A-2IN: Flow Control Device: DISKDISK; Flange Shape: ROUND WITH HOLES ALL ENDSROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Bolt Circle Nominal Diameter: 4.750 INCHES ALL ENDS IN. 30 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.