The Seat,valve, cataloged under National Stock Number 4820-00-006-3983, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-006-3983 |
| Primary Part Number | 110-07502-000 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Body Outside Diameter | 1.750 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Body Inside Diameter | 0.455 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| 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 |
|---|---|
| 110-07502-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 322-D-7545 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 110-07502-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 110A7502 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 110-A7502-000 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4820-00-006-3983 is a Seat,valve, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-006-3983 has 1 manufacturer part number on file: 110-07502-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 110-07502-000: Overall Height: 0.365 INCHES NOMINAL IN; Body Outside Diameter: 1.750 INCHES NOMINAL IN; Style Designator: PLAIN; Body Inside Diameter: 0.455 INCHES NOMINAL IN. 5 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.