PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5100-40Ring,retaining

Truarc Company Llc Dba Waldes Truarc · NSN 5325-00-282-7125 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-282-7125 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-282-7125. Primary manufacturer part number: 5100-40.
Features
  • Ring,retaining — FSC 5325
  • Casehardening Indicator: NOT CASEHARDENED
  • Material: STEEL
  • Material Document and Classification: FED STD 66,FS1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
  • Cross-Sectional Shape Style: RECTANGULAR
  • Major Thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
  • Material Hardness Rating: 69.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
  • Usage Design: EXTERNAL
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-282-7125, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Truarc Company Llc Dba Waldes Truarc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-282-7125
Primary Part Number5100-40
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerTruarc Company Llc Dba Waldes Truarc
StatusCANCELLED
Casehardening IndicatorNOT CASEHARDENED
MaterialSTEEL
Material Document and ClassificationFED STD 66,FS1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE
Cross-Sectional Shape StyleRECTANGULAR
Major Thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
Material Hardness Rating69.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Usage DesignEXTERNAL
Inside Diameter0.361 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
Ring StyleEXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-352-97934-2 120103BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5925-00-500-6809S0F14054 INTERCHANGEABLE
Circuit Breaker
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5930-01-508-3602510040 INTERCHANGEABLE
Switch,rotary
Datron World Communications, Inc.
Cross-Reference Index
Part NumberManufacturer
5100-40 Truarc Company Llc Dba Waldes Truarc (USA)
3100-40 Truarc Co Llc (USA)
AC366 Safran Seats GB Limited (GBR)
5100-40 Rotor Clip Company, Inc. (USA)
XAN-40 Eaton Corp Engineered Fasteners Div (USA)
42R2049-40 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS16624-40 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
3100-40 Rotor Clip Company, Inc. (USA)
83-63414-01 Vickers Inc (USA)
12Z64PC15 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4730-00-352-9793INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4-2 120103BA
5925-00-500-6809INTERCHANGEABLE
CIRCUIT BREAKER
S0F14054
5930-01-508-3602INTERCHANGEABLE
SWITCH,ROTARY
510040

Frequently Asked Questions

What is NSN 5325-00-282-7125?

NSN 5325-00-282-7125 is a Ring,retaining, manufactured by Truarc Company Llc Dba Waldes Truarc, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-282-7125?

NSN 5325-00-282-7125 has 10 cross-referenced part numbers: 5100-40 (Truarc Company Llc Dba Waldes Truarc), 3100-40 (Truarc Co Llc), AC366 (Safran Seats GB Limited), 5100-40 (Rotor Clip Company, Inc.), XAN-40 (Eaton Corp Engineered Fasteners Div) and 5 more.

What NSN replaces 5325-00-282-7125?

There are 3 known substitutes for 5325-00-282-7125: 4730-00-352-9793, 5925-00-500-6809, 5930-01-508-3602. Verify interchangeability with system specifications before substitution.

What are the specifications of 5100-40?

Key specifications for 5100-40: Casehardening Indicator: NOT CASEHARDENED; Material: STEEL; Material Document and Classification: FED STD 66,FS1066 TO 1090 FED STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-282-7125 still in active supply?

NSN 5325-00-282-7125 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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