The Seat,valve, cataloged under National Stock Number 4820-01-596-0659, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Beckwith & Kuffel Inc Dba Beckwith & Kuffel Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-596-0659 |
| Primary Part Number | 01-1120-03 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Beckwith & Kuffel Inc Dba Beckwith & Kuffel Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 01-1120-03 | Beckwith & Kuffel Inc Dba Beckwith & Kuffel Inc (USA) |
| Reference | Meaning |
|---|---|
| 01-1120-03 | 3/9 Design control — primary reference Psg California, Llc Div Dover Corporation |
NSN 4820-01-596-0659 is a Seat,valve, manufactured by Beckwith & Kuffel Inc Dba Beckwith & Kuffel Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-596-0659 has 1 manufacturer part number on file: 01-1120-03 (Beckwith & Kuffel Inc Dba Beckwith & Kuffel Inc).
Key specifications for 01-1120-03: Part Name Assigned by Controlling Agency: SEAT,VALVE,SS; Material: STEEL CORROSION RESISTING OVERALL. 1 specification is 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.