The Seat,valve, cataloged under National Stock Number 4820-01-004-2934, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Testek Llc Dba Testek Solutions. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-004-2934 |
| Primary Part Number | 5380-0001 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Testek Llc Dba Testek Solutions |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.071 INCHES NOMINAL IN |
| Flange Diameter | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.565 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN |
| Style Designator | THREADED FLANGED |
| Body Inside Diameter | 0.250 INCHES NOMINAL IN |
| Under Flange Height | 0.085 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| 5380-0001 PRIMARY | Testek Llc Dba Testek Solutions (USA) |
| Reference | Meaning |
|---|---|
| 5380-0001 | 5/9 Secondary reference Aai Corporation Div Mississippi Operations |
NSN 4820-01-004-2934 is a Seat,valve, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-004-2934 has 1 manufacturer part number on file: 5380-0001 (Testek Llc Dba Testek Solutions).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-382-4409. Verify interchangeability with system specifications before substitution.
Key specifications for 5380-0001: Flange Seat to Disk End Height: 0.071 INCHES NOMINAL IN; Flange Diameter: 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Body Outside Diameter: 0.565 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN; Style Designator: THREADED FLANGED. 8 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.