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NSN 4810-01-062-3821Government record, cited
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Seat, Valve4810-01-062-3821

NSN 4810-01-062-3821 · NIIN 010623821 · Part number 20195-1140
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 4810 — Valves, Powered · FSG 48 — Valves · CAGE 78062
Government record, cited
NSN 4810-01-062-3821 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-062-3821. Manufacturer of record part number: 20195-1140.
Also searched as  4810-01-062-3821 · 4810010623821 · NIIN 010623821 · 01-062-3821 · FSC 4810 Valves, Powered · CAGE 78062 · 20195-1140 · 20195-001 · 20195-001 FIND22
Nearby stock numbers  ·
⌀1.740 INCHES NOMINAL IN GATE VALVE PROFILE
4810-01-062-3821 — Valves, Powered
Features
  • Seat,valve — FSC 4810
  • Flange Seat to Disk End Height: 0.308 INCHES NOMINAL IN
  • Flange Diameter: 1.740 INCHES NOMINAL IN
  • Body Outside Diameter: 1.250 INCHES NOMINAL IN
  • Seal Accommodation Type: GROOVED
  • Style Designator: PLAIN FLANGED
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Inside Diameter: 1.250 INCHES NOMINAL IN
Identification
  • NSN: 4810-01-062-3821
  • NIIN: 010623821
  • FSC: 4810 — Valves, Powered
  • FSG: 48 — Valves
  • Primary part number: 20195-1140
  • Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
General Description

The Seat,valve, cataloged under National Stock Number 4810-01-062-3821, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-062-3821
Primary Part Number20195-1140
Item NameSeat,valve
FSC / FSG4810 / 48 — Valves, Powered
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Flange Seat to Disk End Height0.308 INCHES NOMINAL IN
Flange Diameter1.740 INCHES NOMINAL IN
Body Outside Diameter1.250 INCHES NOMINAL IN
Seal Accommodation TypeGROOVED
Style DesignatorPLAIN FLANGED
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter1.250 INCHES NOMINAL IN
MaterialSTEEL COMP 416 OVERALL
Seat Angle in Deg30.000 NOMINAL
Seating Surface ShapeANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-062-384120195-1260 POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-062-4553 POSSIBLE MATCH
VALVE ASSEMBLY,MANIFOLD
Possible match (shared part number)
4820-01-062-580020195-1060 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-062-801520195-1290 POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-062-801620195-1020 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-062-873220195-1070 POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-087-592220195-1050 POSSIBLE MATCH
BODY,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-087-655420195-1170 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-087-655520195-1190 POSSIBLE MATCH
PLATE,RETAINER
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5962-01-392-7339201950-01 POSSIBLE MATCH
MICROCIRCUIT,DIGITAL
Possible match (shared part number)Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
20195-1140 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Reference documents
ReferenceMeaning
20195-001 D/9 Drawing number reference only
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
20195-001 FIND22 5/9 Secondary reference
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Related Parts
4810-01-062-3841POSSIBLE MATCH
STEM,FLUID VALVE
20195-1260
4820-01-062-4553POSSIBLE MATCH
VALVE ASSEMBLY,MANIFOLD
4820-01-062-5800POSSIBLE MATCH
DISK,VALVE
20195-1060
4810-01-062-8015POSSIBLE MATCH
STEM,FLUID VALVE
20195-1290
4810-01-062-8016POSSIBLE MATCH
DISK,VALVE
20195-1020
4810-01-062-8732POSSIBLE MATCH
SEAT,VALVE
20195-1070
4810-01-087-5922POSSIBLE MATCH
BODY,VALVE
20195-1050
4810-01-087-6554POSSIBLE MATCH
DISK,VALVE
20195-1170
4810-01-087-6555POSSIBLE MATCH
PLATE,RETAINER
20195-1190
5962-01-392-7339POSSIBLE MATCH
MICROCIRCUIT,DIGITAL
201950-01

Frequently Asked Questions

What is NSN 4810-01-062-3821?

NSN 4810-01-062-3821 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.

What part numbers are listed for NSN 4810-01-062-3821?

NSN 4810-01-062-3821 has 1 manufacturer part number on file: 20195-1140 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4810-01-062-3821?

10 possible matches (shared part number, not a government interchangeability claim): 4810-01-062-3841, 4820-01-062-4553, 4820-01-062-5800. Verify interchangeability with system specifications before substitution.

What are the specifications of 20195-1140?

Key specifications for 20195-1140: Flange Seat to Disk End Height: 0.308 INCHES NOMINAL IN; Flange Diameter: 1.740 INCHES NOMINAL IN; Body Outside Diameter: 1.250 INCHES NOMINAL IN; Seal Accommodation Type: GROOVED. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4810-01-062-3821 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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