PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W500Ring,retaining

Thomson Industries Inc · NSN 5325-00-579-2673 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-579-2673 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-579-2673. Primary manufacturer part number: W500.
Features
  • Ring,retaining — FSC 5325
  • Material: STEEL
  • Usage Design: EXTERNAL
  • Ring Style: EXTERNAL
  • Cross-Sectional Shape Style: ROUNDED CORNERS
  • Major Thickness: 0.042 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Inside Diameter: 0.500 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-579-2673, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Thomson Industries Inc. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-579-2673
Primary Part NumberW500
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerThomson Industries Inc
StatusACTIVE
MaterialSTEEL
Usage DesignEXTERNAL
Ring StyleEXTERNAL
Cross-Sectional Shape StyleROUNDED CORNERS
Major Thickness0.042 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Inside Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-015-8419TABLE 15, 707 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
The American Society of Mechanical Engineers
2320-00-142-5231 INTERCHANGEABLE
Truck,stake
5905-00-192-2509 INTERCHANGEABLE
Resistor,variable,wire Wound,non
3455-00-222-921811500 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
3455-00-222-92191-1561-0212 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
3455-00-222-92201321-0406 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Kennametal Inc. Div Kennametal Industrial Products Group
3455-00-222-922111670 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
3455-00-243-21661-1561-0500 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
3455-00-243-21711-1561-1375 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
3455-00-243-217311550 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
Cross-Reference Index
Part NumberManufacturer
1091059 Zf Industrieantriebe Witten Gmbh (DEU)
W500 PRIMARY Thomson Industries Inc (USA)
Related Parts
3455-00-015-8419INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
TABLE 15, 707
2320-00-142-5231INTERCHANGEABLE
TRUCK,STAKE
5905-00-192-2509INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
3455-00-222-9218INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11500
3455-00-222-9219INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-0212
3455-00-222-9220INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1321-0406
3455-00-222-9221INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11670
3455-00-243-2166INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-0500
3455-00-243-2171INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-1375
3455-00-243-2173INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11550
3455-00-243-2180INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
3040-00-867-0752INTERCHANGEABLE
GEARSHAFT,SPUR

Frequently Asked Questions

What is NSN 5325-00-579-2673?

NSN 5325-00-579-2673 is a Ring,retaining, manufactured by Thomson Industries Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-579-2673?

NSN 5325-00-579-2673 has 2 cross-referenced part numbers: 1091059 (Zf Industrieantriebe Witten Gmbh), W500 (Thomson Industries Inc).

What NSN replaces 5325-00-579-2673?

There are 12 known substitutes for 5325-00-579-2673: 3455-00-015-8419, 2320-00-142-5231, 5905-00-192-2509 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W500?

Key specifications for W500: Material: STEEL; Usage Design: EXTERNAL; Ring Style: EXTERNAL; Cross-Sectional Shape Style: ROUNDED CORNERS. 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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