The Valve,angle, cataloged under National Stock Number 4820-00-371-6375, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-371-6375 |
| Primary Part Number | A204-813 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | ANGLE |
| Bonnet Type | PACKING RETAINING |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT 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 |
| Part Number | Manufacturer |
|---|---|
| A204-813 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| 3288-0027 PRIMARY | Schramm, Inc. (USA) |
| 1X3-41N | Schramm, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H2246 | 5/9 Secondary reference Schramm, Inc. |
| 15-323-1 | 5/9 Secondary reference Dresser Industries Inc Leroi Div |
| 15-323-3 | 5/9 Secondary reference Dresser Industries Inc Leroi Div |
| 3288-1-400 | 5/9 Secondary reference Schramm, Inc. |
| 850012 | 5/2 Secondary reference U.S. Government activity |
| 3288-0004 | 5/9 Secondary reference Schramm, Inc. |
NSN 4820-00-371-6375 is a Valve,angle, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-371-6375 has 3 manufacturer part numbers on file: A204-813 (Dresser Industries Inc Leroi Div), 3288-0027 (Schramm, Inc.), 1X3-41N (Schramm, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 2990-00-646-8992, 4730-00-883-2620, 4820-01-363-7339. Verify interchangeability with system specifications before substitution.
Key specifications for A204-813: Flow Control Device: STEM; Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END; Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END. 15 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.