The Seat,valve, cataloged under National Stock Number 4810-01-062-8732, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-062-8732 |
| Primary Part Number | 20195-1070 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 2.477 INCHES NOMINAL IN |
| Flange Diameter | 1.990 INCHES NOMINAL IN |
| Body Outside Diameter | 1.848 INCHES NOMINAL IN |
| Thread Length | 0.704 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.125 INCHES NOMINAL IN |
| Nominal Thread Size | 1.875 INCHES SINGLE THREADED PORTION IN |
| Surface Treatment | PASSIVATE OVERALL |
| Under Flange Height | 0.963 INCHES NOMINAL IN |
| Thread Class | 2B SINGLE THREADED PORTION |
| Thread Quantity Per Inch | 16 SINGLE THREADED PORTION |
| Material | STEEL COMP 416 OVERALL |
| Seat Angle in Deg | 45.000 NOMINAL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| 20195-1070 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 20195-001 | D/9 Drawing number reference only Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| 20195-001 FIND 15 | 5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
NSN 4810-01-062-8732 is a Seat,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-062-8732 has 1 manufacturer part number on file: 20195-1070 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
4 possible matches (shared part number, not a government interchangeability claim): 4810-01-087-5922, 4810-01-087-6554, 4810-01-087-6555. Verify interchangeability with system specifications before substitution.
Key specifications for 20195-1070: Flange Seat to Disk End Height: 2.477 INCHES NOMINAL IN; Flange Diameter: 1.990 INCHES NOMINAL IN; Body Outside Diameter: 1.848 INCHES NOMINAL IN; Thread Length: 0.704 INCHES NOMINAL SINGLE THREADED PORTION IN. 16 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.