PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

108-875Element,thermostat

Cooper Machinery Services Llc · NSN 4540-00-456-1571 · FSC 4540 · No Item Name Available
Verified by PartsTable
NSN 4540-00-456-1571 — this item is cataloged by the U.S. Government under National Stock Number 4540-00-456-1571. Primary manufacturer part number: 108-875.
Features
  • Element,thermostat — FSC 4540
  • General Characteristics Item Description: CONSISTS OF BRASS BODY AND STEM,STEEL SPRING,STEEL CAGE,4.750 IN.O/A LG,1.875 IN.DIA BODY,2.875 IN.DIA FLANGE,0.219 IN.H IN
  • 2 verified cross-references
  • Primary manufacturer: Cooper Machinery Services Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Element,thermostat, cataloged under National Stock Number 4540-00-456-1571, is classified within Federal Supply Class 4540 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 1 verified specification, 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
NSN4540-00-456-1571
Primary Part Number108-875
Item NameElement,thermostat
FSC / FSG4540 / 45 — No Item Name Available
ManufacturerCooper Machinery Services Llc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF BRASS BODY AND STEM,STEEL SPRING,STEEL CAGE,4.750 IN.O/A LG,1.875 IN.DIA BODY,2.875 IN.DIA FLANGE,0.219 IN.H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6620-00-463-6694 INTERCHANGEABLE
Thermostat,element
3110-00-614-9397400065 INTERCHANGEABLE
Ring,bearing,inner
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
4920-00-915-1303108875 INTERCHANGEABLE
Block,pin Straighte
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
7690-01-260-01021049-11 INTERCHANGEABLE
Marker,identification
Aqualung Usa, Inc
Cross-Reference Index
Part NumberManufacturer
A108-875 Cooper Cameron Corp Ajax-Superior Div (USA)
108-875 PRIMARY Cooper Machinery Services Llc (USA)
Related Parts
6620-00-463-6694INTERCHANGEABLE
THERMOSTAT,ELEMENT
3110-00-614-9397INTERCHANGEABLE
RING,BEARING,INNER
400065
4920-00-915-1303INTERCHANGEABLE
BLOCK,PIN STRAIGHTE
108875
7690-01-260-0102INTERCHANGEABLE
MARKER,IDENTIFICATION
1049-11

Frequently Asked Questions

What is NSN 4540-00-456-1571?

NSN 4540-00-456-1571 is a Element,thermostat, manufactured by Cooper Machinery Services Llc, classified under FSC 4540 (No Item Name Available). Status: active.

What are the part numbers for NSN 4540-00-456-1571?

NSN 4540-00-456-1571 has 2 cross-referenced part numbers: A108-875 (Cooper Cameron Corp Ajax-Superior Div), 108-875 (Cooper Machinery Services Llc).

What NSN replaces 4540-00-456-1571?

There are 4 known substitutes for 4540-00-456-1571: 6620-00-463-6694, 3110-00-614-9397, 4920-00-915-1303 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 108-875?

Key specifications for 108-875: General Characteristics Item Description: CONSISTS OF BRASS BODY AND STEM,STEEL SPRING,STEEL CAGE,4.750 IN.O/A LG,1.875 IN.DIA BODY,2.875 IN.DIA FLANGE,0.219 IN.H IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com