The Valve,plug, cataloged under National Stock Number 4820-00-032-7993, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-032-7993 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Connection Style | GASKET SEAL(BOSS) FIRST END |
| Flow Style | TWO-WAY TWO PORT 90 DEGREE PLUG TURN |
| Operating Pressure | 2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | ADJUSTABLE ROTATION STOP |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Mounting Facility | THREADED FASTENER |
| Surface Treatment | ANODIZE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Thread Class | 3B FIRST END |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | ALUMINUM ALLOY SEAT |
| Material | STEEL STEM |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | UNF FIRST END |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 1214B | 3/2 Design control — primary reference U.S. Government activity |
| 1214 | 5/2 Secondary reference U.S. Government activity |
| 1215B | 5/2 Secondary reference U.S. Government activity |
| 1214B | 5/9 Secondary reference Hydro Silica Corp |
NSN 4820-00-032-7993 is a Valve,plug, classified under FSC 4820, Valves, Nonpowered. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5985-00-067-6377, 5963-00-710-7253, 8340-01-448-7004. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-00-032-7993: Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Connection Style: GASKET SEAL(BOSS) FIRST END; Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN; Operating Pressure: 2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 18 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.