The Seat,valve, cataloged under National Stock Number 4820-01-122-3672, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rex International U.s.a. Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-122-3672 |
| Primary Part Number | 004-500-0323 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rex International U.s.a. Inc. |
| Status | ACTIVE |
| Style Designator | FAUCET |
| Nominal Thread Size | 0.250 INCHES SINGLE THREADED PORTION IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 20 SINGLE THREADED PORTION |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 004-500-0323 PRIMARY | Rex International U.s.a. Inc. (USA) |
| NMP-1107 PIECE 11A | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NMP-1107 REV-6 PIECE 11A | Rex International U.s.a. Inc. (USA) |
| NMP-1107 REV-G PIECE 11A | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| NMP-1107 REV-G PIECE 11A | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 004-500-0323 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1107 PIECE 11A | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-1107 PIECE 11A | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1107 REV-6 PIECE 11A | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP-1107 REV-G PIECE 11A | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1107 REV-6 PIECE 11A | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| 004-500-0323 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-122-3672 is a Seat,valve, manufactured by Rex International U.s.a. Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-122-3672 has 4 manufacturer part numbers on file: 004-500-0323 (Rex International U.s.a. Inc.), NMP-1107 PIECE 11A (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NMP-1107 REV-6 PIECE 11A (Rex International U.s.a. Inc.), NMP-1107 REV-G PIECE 11A (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 004-500-0323: Overall Height: 6.125 INCHES NOMINAL IN; Style Designator: FAUCET; Nominal Thread Size: 0.250 INCHES SINGLE THREADED PORTION IN; Thread Class: 2A SINGLE THREADED PORTION A. 7 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.