PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7128025Coupler,drawbar,ring

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 2540-00-712-8025 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-00-712-8025 — this item is cataloged by the U.S. Government under National Stock Number 2540-00-712-8025. Primary manufacturer part number: 7128025.
Features
  • Coupler,drawbar,ring — FSC 2540
  • Thread Length: 1.188 INCHES IN
  • Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Ring Outside Diameter: 4.625 INCHES MINIMUM AND 4.656 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Size: 1-1/4 IN.-7 IN
  • Painted Feature: NOT INCLUDED
  • Shank End Keyway: NOT PROVIDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,drawbar,ring, cataloged under National Stock Number 2540-00-712-8025, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN2540-00-712-8025
Primary Part Number7128025
Item NameCoupler,drawbar,ring
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Thread Length1.188 INCHES IN
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Ring Outside Diameter4.625 INCHES MINIMUM AND 4.656 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Size1-1/4 IN.-7 IN
Painted FeatureNOT INCLUDED
Shank End KeywayNOT PROVIDED
Ring Inside Diameter3.000 INCHES MINIMUM AND 3.031 INCHES MAXIMUM IN
Style DesignatorSTRAIGHT ROUND STEPPED SHANK
Shank End Thread ProvisionTHREADED
Cotter Pin Hole Diameter0.201 INCHES NOMINAL IN
Shank Length4.854 INCHES MINIMUM AND 4.855 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
4330-00-973-3909A2066 INTERCHANGEABLE
Filter Element,fluid
Kaydon Custom Filtration Corporation
Cross-Reference Index
Part NumberManufacturer
5545804 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
712805 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
7128025 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
4330-00-973-3909INTERCHANGEABLE
FILTER ELEMENT,FLUID
A2066

Frequently Asked Questions

What is NSN 2540-00-712-8025?

NSN 2540-00-712-8025 is a Coupler,drawbar,ring, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540 (No Item Name Available). Status: active.

What are the part numbers for NSN 2540-00-712-8025?

NSN 2540-00-712-8025 has 3 cross-referenced part numbers: 5545804 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 712805 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 7128025 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 2540-00-712-8025?

There is 1 known substitute for 2540-00-712-8025: 4330-00-973-3909. Verify interchangeability with system specifications before substitution.

What are the specifications of 7128025?

Key specifications for 7128025: Thread Length: 1.188 INCHES IN; Screw Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Ring Outside Diameter: 4.625 INCHES MINIMUM AND 4.656 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 12 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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