PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40769Valve,thermal

Hdt Expeditionary Systems Inc · NSN 4310-00-105-5144 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-105-5144 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-105-5144. Primary manufacturer part number: 40769.
Features
  • Valve,thermal — FSC 4310
  • 3 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,thermal, cataloged under National Stock Number 4310-00-105-5144, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,thermal
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersDrs Environmental Systems Inc (CAGE 5RQL2); Davey Compressor Co Div of Keco Industries Inc (CAGE 16004); Hdt Expeditionary Systems Inc (CAGE 92878)
Technical Specifications
ParameterValue
NSN4310-00-105-5144
Primary Part Number40769
Item NameValve,thermal
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-224-3624C702858112 INTERCHANGEABLE
Transformer,power
Kearfott Corporation Div Guidance and Navigation Division
5310-00-307-2718927C932P5 INTERCHANGEABLE
Washer,spring Tension
Bae Systems Controls Inc.
6625-00-699-7030 INTERCHANGEABLE
Wattmeter
5330-00-861-2302 INTERCHANGEABLE
Seal,plain Encased
5962-01-089-281440769 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5330-01-306-7888 INTERCHANGEABLE
Retainer,packing
4820-01-423-195340769 INTERCHANGEABLE
Valve,check
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
40769 Drs Environmental Systems Inc (USA)
40769 Davey Compressor Co Div of Keco Industries Inc (USA)
40769 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
5950-00-224-3624INTERCHANGEABLE
TRANSFORMER,POWER
C702858112
5310-00-307-2718INTERCHANGEABLE
WASHER,SPRING TENSION
927C932P5
6625-00-699-7030INTERCHANGEABLE
WATTMETER
5330-00-861-2302INTERCHANGEABLE
SEAL,PLAIN ENCASED
5962-01-089-2814INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40769
5330-01-306-7888INTERCHANGEABLE
RETAINER,PACKING
4820-01-423-1953INTERCHANGEABLE
VALVE,CHECK
40769

Frequently Asked Questions

What is NSN 4310-00-105-5144?

NSN 4310-00-105-5144 is a Valve,thermal, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-105-5144?

NSN 4310-00-105-5144 has 3 cross-referenced part numbers: 40769 (Drs Environmental Systems Inc), 40769 (Davey Compressor Co Div of Keco Industries Inc), 40769 (Hdt Expeditionary Systems Inc).

What NSN replaces 4310-00-105-5144?

There are 7 known substitutes for 4310-00-105-5144: 5950-00-224-3624, 5310-00-307-2718, 6625-00-699-7030 and 4 more. Verify interchangeability with system specifications before substitution.

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