PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7521374Ring,retaining

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5325-00-752-1374 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-752-1374 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-752-1374. Primary manufacturer part number: 7521374.
Features
  • Ring,retaining — FSC 5325
  • Major Thickness: 0.118 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
  • Material: STEEL
  • Outside Diameter: 4.120 INCHES NOMINAL IN
  • Usage Design: INTERNAL
  • Casehardening Indicator: NOT CASEHARDENED
  • End Style: D SHAP BELOW INSIDE PERIPHERY
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-752-1374, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-752-1374
Primary Part Number7521374
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Major Thickness0.118 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
MaterialSTEEL
Outside Diameter4.120 INCHES NOMINAL IN
Usage DesignINTERNAL
Casehardening IndicatorNOT CASEHARDENED
End StyleD SHAP BELOW INSIDE PERIPHERY
Cross-Sectional Shape StyleRECTANGULAR
Material Hardness Rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Inside Diameter3.683 INCHES NOMINAL IN
Ring StyleINTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6680-00-526-8965800521-87 INTERCHANGEABLE
Indicator,sight,liquid
Rexnord Industries Llc
2520-01-524-7520913-658 INTERCHANGEABLE
Clutch Assembly,friction
Avionics Specialties, Inc.
Cross-Reference Index
Part NumberManufacturer
7521374 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
913658 Sasco Inc Canadian Div
702T5 Diamond Reo Truck Co (USA)
1854P172 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
5340007521374 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
6680-00-526-8965INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
800521-87
2520-01-524-7520INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
913-658

Frequently Asked Questions

What is NSN 5325-00-752-1374?

NSN 5325-00-752-1374 is a Ring,retaining, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-752-1374?

NSN 5325-00-752-1374 has 5 cross-referenced part numbers: 7521374 (U S Army Tank Automotive Command Amsta-Im-Mm), 913658 (Sasco Inc Canadian Div), 702T5 (Diamond Reo Truck Co), 1854P172 (Meritor Heavy Vehicle Systems, Llc), 5340007521374 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).

What NSN replaces 5325-00-752-1374?

There are 2 known substitutes for 5325-00-752-1374: 6680-00-526-8965, 2520-01-524-7520. Verify interchangeability with system specifications before substitution.

What are the specifications of 7521374?

Key specifications for 7521374: Major Thickness: 0.118 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN; Material: STEEL; Outside Diameter: 4.120 INCHES NOMINAL IN; Usage Design: INTERNAL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-752-1374 still in active supply?

NSN 5325-00-752-1374 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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