The Seat,valve, cataloged under National Stock Number 4820-01-008-0800, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-008-0800 |
| Primary Part Number | 757592-1 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Seal Accommodation Type | GROOVED |
| Taper Minor Diameter | 0.148 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 757592-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 757592-1 | Peerless Screw Products Corporation (USA) |
| Reference | Meaning |
|---|---|
| 757592 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4820-01-008-0800 is a Seat,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-008-0800 has 2 manufacturer part numbers on file: 757592-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 757592-1 (Peerless Screw Products Corporation).
Key specifications for 757592-1: Seal Accommodation Type: GROOVED; Taper Minor Diameter: 0.148 INCHES NOMINAL IN; Material: ALUMINUM ALLOY OVERALL; Seating Surface Shape: FLAT. 4 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.