PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

639651Retainer,thermostat

Am General Llc · NSN 2930-00-354-3775 · FSC 2930 · No Item Name Available
Verified by PartsTable
NSN 2930-00-354-3775 — this item is cataloged by the U.S. Government under National Stock Number 2930-00-354-3775. Primary manufacturer part number: 639651.
Features
  • Retainer,thermostat — FSC 2930
  • General Characteristics Item Description: STEEL;GREY PRIMER FINISH 1.785 IN.O/A LG;2.500 IN.OD;0.033 IN.WALL THICKNESS IN
  • 6 verified cross-references
  • Primary manufacturer: Am General Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retainer,thermostat, cataloged under National Stock Number 2930-00-354-3775, is classified within Federal Supply Class 2930 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Am General Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2930-00-354-3775
Primary Part Number639651
Item NameRetainer,thermostat
FSC / FSG2930 / 29 — No Item Name Available
ManufacturerAm General Llc
StatusACTIVE
General Characteristics Item DescriptionSTEEL;GREY PRIMER FINISH 1.785 IN.O/A LG;2.500 IN.OD;0.033 IN.WALL THICKNESS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-825-2490 INTERCHANGEABLE
Elbow,tube
1560-00-994-390363-9651-1 INTERCHANGEABLE
Indicator,door Latch
Dla Aviation Engineering Div Department of Defense
1287-01-540-90497371386 INTERCHANGEABLE
Chassis Vme
Naval Undersea Warfare Ctr
Cross-Reference Index
Part NumberManufacturer
GPW8578 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
639651 PRIMARY Am General Llc (USA)
GPW8578 Ford Motor Company (USA)
639651 White Consolidated Industries Inc Frigidaire Div (USA)
W2089 Hercules Inc (USA)
7371386 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
4730-00-825-2490INTERCHANGEABLE
ELBOW,TUBE
1560-00-994-3903INTERCHANGEABLE
INDICATOR,DOOR LATCH
63-9651-1
1287-01-540-9049INTERCHANGEABLE
CHASSIS VME
7371386

Frequently Asked Questions

What is NSN 2930-00-354-3775?

NSN 2930-00-354-3775 is a Retainer,thermostat, manufactured by Am General Llc, classified under FSC 2930 (No Item Name Available). Status: active.

What are the part numbers for NSN 2930-00-354-3775?

NSN 2930-00-354-3775 has 6 cross-referenced part numbers: GPW8578 (Ford Motor Co Ford Parts and Service Div Government Part Sales), 639651 (Am General Llc), GPW8578 (Ford Motor Company), 639651 (White Consolidated Industries Inc Frigidaire Div), W2089 (Hercules Inc) and 1 more.

What NSN replaces 2930-00-354-3775?

There are 3 known substitutes for 2930-00-354-3775: 4730-00-825-2490, 1560-00-994-3903, 1287-01-540-9049. Verify interchangeability with system specifications before substitution.

What are the specifications of 639651?

Key specifications for 639651: General Characteristics Item Description: STEEL;GREY PRIMER FINISH 1.785 IN.O/A LG;2.500 IN.OD;0.033 IN.WALL THICKNESS IN. 1 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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