PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5100-21Ring,retaining

Rotor Clip Company, Inc. · NSN 5325-00-450-1426 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-450-1426 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-450-1426. Primary manufacturer part number: 5100-21.
Features
  • Ring,retaining — FSC 5325
  • Ring Style: EXTERNAL
  • Usage Design: EXTERNAL
  • Inside Diameter: 0.196 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Major Thickness: 0.015 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-450-1426, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rotor Clip Company, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-450-1426
Primary Part Number5100-21
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerRotor Clip Company, Inc.
StatusACTIVE
Ring StyleEXTERNAL
Usage DesignEXTERNAL
Inside Diameter0.196 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Major Thickness0.015 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2610-00-051-0020 INTERCHANGEABLE
Tire,pneumatic,vehicular
5905-00-104-8368 INTERCHANGEABLE
Resistor,fixed,composition
5930-00-153-8811511-006-00 INTERCHANGEABLE
Switch,push
Monaco Enterprises, Inc. Dba Monaco Enterprises Inc
6625-01-110-61135-10021 INTERCHANGEABLE
Post
Valhalla Scientific
5998-01-209-9897190-5664-002 INTERCHANGEABLE
Circuit Card Assembly
Shugart Corp Dba Intl Assembly Specialists
5325-01-225-1094 INTERCHANGEABLE
Ring,retaining
5330-01-553-56885100-21 INTERCHANGEABLE
Ring,retaining,airc
Rolls-Royce Corporation
Cross-Reference Index
Part NumberManufacturer
5100-21 Rotor Clip Company, Inc. (USA)
5100-21 Truarc Company Llc Dba Waldes Truarc (USA)
69999-21 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
2610-00-051-0020INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
5905-00-104-8368INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5930-00-153-8811INTERCHANGEABLE
SWITCH,PUSH
511-006-00
6625-01-110-6113INTERCHANGEABLE
POST
5-10021
5998-01-209-9897INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
190-5664-002
5325-01-225-1094INTERCHANGEABLE
RING,RETAINING
5330-01-553-5688INTERCHANGEABLE
RING,RETAINING,AIRC
5100-21

Frequently Asked Questions

What is NSN 5325-00-450-1426?

NSN 5325-00-450-1426 is a Ring,retaining, manufactured by Rotor Clip Company, Inc., classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-450-1426?

NSN 5325-00-450-1426 has 3 cross-referenced part numbers: 5100-21 (Rotor Clip Company, Inc.), 5100-21 (Truarc Company Llc Dba Waldes Truarc), 69999-21 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5325-00-450-1426?

There are 7 known substitutes for 5325-00-450-1426: 2610-00-051-0020, 5905-00-104-8368, 5930-00-153-8811 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5100-21?

Key specifications for 5100-21: Ring Style: EXTERNAL; Usage Design: EXTERNAL; Inside Diameter: 0.196 INCHES NOMINAL IN; Material: COPPER ALLOY. 7 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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