The Seat,valve, cataloged under National Stock Number 4820-00-741-9182, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Goodrich Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-741-9182 |
| Primary Part Number | 90-1010034 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| FSC Application Data | LANDING GEAR,AIRCRAFT |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.305 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Seal Accommodation Type | GROOVED |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.750 INCHES SINGLE THREADED PORTION IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 16 SINGLE THREADED PORTION |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNF SINGLE THREADED PORTION |
| 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 |
|---|---|
| 90-1010034 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 90-1010034 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
NSN 4820-00-741-9182 is a Seat,valve, manufactured by Goodrich Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-741-9182 has 1 manufacturer part number on file: 90-1010034 (Goodrich Corporation).
Key specifications for 90-1010034: FSC Application Data: LANDING GEAR,AIRCRAFT; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.305 INCHES NOMINAL SINGLE THREADED PORTION IN; Seal Accommodation Type: GROOVED. 12 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.