PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52431ARing,retaining

Fairbanks Morse, Llc · NSN 5325-00-200-3540 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-200-3540 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-200-3540. Primary manufacturer part number: 52431A.
Features
  • Ring,retaining — FSC 5325
  • Casehardening Indicator: NOT CASEHARDENED
  • Material Diameter: 0.096 INCHES NOMINAL IN
  • Material: STEEL
  • Inside Diameter: 0.690 INCHES NOMINAL IN
  • Usage Design: EXTERNAL
  • Ring Style: STRAIGHT GAP
  • Outside Diameter: 0.882 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-200-3540, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 9 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-200-3540
Primary Part Number52431A
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusACTIVE
Casehardening IndicatorNOT CASEHARDENED
Material Diameter0.096 INCHES NOMINAL IN
MaterialSTEEL
Inside Diameter0.690 INCHES NOMINAL IN
Usage DesignEXTERNAL
Ring StyleSTRAIGHT GAP
Outside Diameter0.882 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
End Style90 DEGREE PARALLEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-569-0331 INTERCHANGEABLE
Gear,spur
6525-01-112-4012 INTERCHANGEABLE
Film,radiographic
Cross-Reference Index
Part NumberManufacturer
52431A Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
52431A PRIMARY Fairbanks Morse, Llc (USA)
Related Parts
3020-00-569-0331INTERCHANGEABLE
GEAR,SPUR
6525-01-112-4012INTERCHANGEABLE
FILM,RADIOGRAPHIC

Frequently Asked Questions

What is NSN 5325-00-200-3540?

NSN 5325-00-200-3540 is a Ring,retaining, manufactured by Fairbanks Morse, Llc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-200-3540?

NSN 5325-00-200-3540 has 2 cross-referenced part numbers: 52431A (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), 52431A (Fairbanks Morse, Llc).

What NSN replaces 5325-00-200-3540?

There are 2 known substitutes for 5325-00-200-3540: 3020-00-569-0331, 6525-01-112-4012. Verify interchangeability with system specifications before substitution.

What are the specifications of 52431A?

Key specifications for 52431A: Casehardening Indicator: NOT CASEHARDENED; Material Diameter: 0.096 INCHES NOMINAL IN; Material: STEEL; Inside Diameter: 0.690 INCHES NOMINAL IN. 9 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