The Seat,valve, cataloged under National Stock Number 4820-00-024-1393, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grove Valve Operations. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-024-1393 |
| Primary Part Number | 234532 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grove Valve Operations |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.350 INCHES NOMINAL IN |
| Flange Diameter | 1.059 INCHES MINIMUM AND 2.064 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.871 INCHES MINIMUM AND 0.872 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 0.363 INCHES MINIMUM AND 0.367 INCHES MAXIMUM IN |
| Under Flange Height | 0.194 INCHES NOMINAL IN |
| Material | STEEL FACE |
| Material | PLASTIC POLYAMIDE NYLON BODY |
| 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 |
|---|---|
| 234532 PRIMARY | Grove Valve Operations (USA) |
| N683PC15 PRIMARY | Grove Valve Operations (USA) |
| N671PC26 PRIMARY | Grove Valve Operations (USA) |
| Reference | Meaning |
|---|---|
| 571-4900-1444483PC15 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-024-1393 is a Seat,valve, manufactured by Grove Valve Operations, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-024-1393 has 3 manufacturer part numbers on file: 234532 (Grove Valve Operations), N683PC15 (Grove Valve Operations), N671PC26 (Grove Valve Operations).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-022-5673. Verify interchangeability with system specifications before substitution.
Key specifications for 234532: Flange Seat to Disk End Height: 0.350 INCHES NOMINAL IN; Flange Diameter: 1.059 INCHES MINIMUM AND 2.064 INCHES MAXIMUM IN; Body Outside Diameter: 0.871 INCHES MINIMUM AND 0.872 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED. 9 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.