The Retainer,seat,valve, cataloged under National Stock Number 4820-01-592-7025, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is A.b.z. Manufacturing Inc Dba A.b.z. Valves and Controls. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | A.b.z. Manufacturing Inc Dba A.b.z. Valves and Controls (CAGE 3JFF7) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-592-7025 |
| Primary Part Number | 402-108-HANDLE-FMYB 6IN ITEM 5 |
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | A.b.z. Manufacturing Inc Dba A.b.z. Valves and Controls |
| Status | ACTIVE |
| 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 |
|---|---|
| 402-108-HANDLE-FMYB 6IN ITEM 5 PRIMARY | A.b.z. Manufacturing Inc Dba A.b.z. Valves and Controls (USA) |
| Reference | Meaning |
|---|---|
| 402-108 | D/9 Drawing number reference only A.b.z. Manufacturing Inc Dba A.b.z. Valves and Controls |
NSN 4820-01-592-7025 is a Retainer,seat,valve, manufactured by A.b.z. Manufacturing Inc Dba A.b.z. Valves and Controls, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-592-7025 has 1 manufacturer part number on file: 402-108-HANDLE-FMYB 6IN ITEM 5 (A.b.z. Manufacturing Inc Dba A.b.z. Valves and Controls).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-592-7037, 4820-01-592-7068. Verify interchangeability with system specifications before substitution.
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.