PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26465Seat,valve

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 4810-00-164-5839 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-164-5839 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-164-5839. Primary manufacturer part number: 26465.
Features
  • Seat,valve — FSC 4810
  • Seating Surface Shape: FLAT
  • Material Document and Classification: QQ-S-764 TYPE 302 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Seal Accommodation Type: SLEEVE
  • 2 verified cross-references
  • Primary manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4810-00-164-5839, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-164-5839
Primary Part Number26465
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Seating Surface ShapeFLAT
Material Document and ClassificationQQ-S-764 TYPE 302 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Surface TreatmentPASSIVATE OVERALL
Seal Accommodation TypeSLEEVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-421-07255M1066-002 INTERCHANGEABLE
Transformer,power Autotransforme
The Boeing Company Div Defense
6240-00-504-2389DFY INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
1005-00-731-0869 INTERCHANGEABLE
Pin,firing
5950-00-787-204026465 INTERCHANGEABLE
Transformer,power
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
Cross-Reference Index
Part NumberManufacturer
26465 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
26465 United Technologies Corp Hamilton Sundstrand Corp (USA)
Related Parts
5950-00-421-0725INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
5M1066-002
6240-00-504-2389INTERCHANGEABLE
LAMP,INCANDESCENT
DFY
1005-00-731-0869INTERCHANGEABLE
PIN,FIRING
5950-00-787-2040INTERCHANGEABLE
TRANSFORMER,POWER
26465

Frequently Asked Questions

What is NSN 4810-00-164-5839?

NSN 4810-00-164-5839 is a Seat,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-164-5839?

NSN 4810-00-164-5839 has 2 cross-referenced part numbers: 26465 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 26465 (United Technologies Corp Hamilton Sundstrand Corp).

What NSN replaces 4810-00-164-5839?

There are 4 known substitutes for 4810-00-164-5839: 5950-00-421-0725, 6240-00-504-2389, 1005-00-731-0869 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26465?

Key specifications for 26465: Seating Surface Shape: FLAT; Material Document and Classification: QQ-S-764 TYPE 302 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL; Surface Treatment: PASSIVATE OVERALL. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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