PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40390Regulator

Eaton Corp Count Control/systems Div · NSN 2540-00-734-2393 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-00-734-2393 — this item is cataloged by the U.S. Government under National Stock Number 2540-00-734-2393. Primary manufacturer part number: 40390.
Features
  • Regulator — FSC 2540
  • 3 verified cross-references
  • Primary manufacturer: Eaton Corp Count Control/systems Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Regulator, cataloged under National Stock Number 2540-00-734-2393, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Eaton Corp Count Control/systems Div. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameRegulator
FSC / FSG2540 — No Item Name Available (FSG 25)
ManufacturersEaton Corp Count Control/systems Div (CAGE 18911); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Chrysler Realty Company Llc Dba Daimler Chrysler (CAGE 12204)
Technical Specifications
ParameterValue
NSN2540-00-734-2393
Primary Part Number40390
Item NameRegulator
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerEaton Corp Count Control/systems Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
3110-00-100-354025578 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5961-00-553-9330 INTERCHANGEABLE
Transistor
5950-00-824-9190602B874H01 INTERCHANGEABLE
Reactor
Northrop Grumman Support Services Corp
Cross-Reference Index
Part NumberManufacturer
40390 PRIMARY Eaton Corp Count Control/systems Div (USA)
7342393 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
909250 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
3110-00-100-3540INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
25578
5961-00-553-9330INTERCHANGEABLE
TRANSISTOR
5950-00-824-9190INTERCHANGEABLE
REACTOR
602B874H01

Frequently Asked Questions

What is NSN 2540-00-734-2393?

NSN 2540-00-734-2393 is a Regulator, manufactured by Eaton Corp Count Control/systems Div, classified under FSC 2540 (No Item Name Available). Status: active.

What are the part numbers for NSN 2540-00-734-2393?

NSN 2540-00-734-2393 has 3 cross-referenced part numbers: 40390 (Eaton Corp Count Control/systems Div), 7342393 (U S Army Tank Automotive Command Amsta-Im-Mm), 909250 (Chrysler Realty Company Llc Dba Daimler Chrysler).

What NSN replaces 2540-00-734-2393?

There are 3 known substitutes for 2540-00-734-2393: 3110-00-100-3540, 5961-00-553-9330, 5950-00-824-9190. Verify interchangeability with system specifications before substitution.

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