PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120-20Ring,retaining

Illinois Tool Works Inc. · NSN 5325-00-281-6504 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-281-6504 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-281-6504. Primary manufacturer part number: 120-20.
Features
  • Ring,retaining — FSC 5325
  • Material Diameter: 0.041 INCHES NOMINAL IN
  • Ring Style: HOOKED WIRE
  • Cross-Sectional Shape Style: ROUND
  • Material: STEEL COMP 1060
  • Material Document and Classification: SAE 1060 ASSN STD SINGLE MATERIAL RESPONSE
  • Inside Diameter: 0.480 INCHES NOMINAL IN
  • Outside Diameter: 0.563 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 1060 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-281-6504, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Illinois Tool Works Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5325-00-281-6504
Primary Part Number120-20
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerIllinois Tool Works Inc.
StatusACTIVE
Material Diameter0.041 INCHES NOMINAL IN
Ring StyleHOOKED WIRE
Cross-Sectional Shape StyleROUND
MaterialSTEEL COMP 1060
Material Document and ClassificationSAE 1060 ASSN STD SINGLE MATERIAL RESPONSE
Inside Diameter0.480 INCHES NOMINAL IN
Outside Diameter0.563 INCHES NOMINAL IN
Material Hardness Rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Strength RatingERR-060
Casehardening IndicatorNOT CASEHARDENED
Usage DesignINTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-079-40157726571P018 INTERCHANGEABLE
Reactor
Lockheed Martin Corporation Div Rms
3110-00-156-84519098901 INTERCHANGEABLE
Ring,bearing,inner
Jtekt Bearings North America Llc Div Kbna - Ord 1
6695-00-250-54305000011 INTERCHANGEABLE
Indicator,symbol Indicating
Aircraft Instruments Co
6145-00-526-304712020 INTERCHANGEABLE
Cable,radio Frequency
Nexans Aerospace Usa Llc
4820-00-595-2761284142N INTERCHANGEABLE
Valve,safety Relief
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5985-00-733-6042120-20 INTERCHANGEABLE
Antenna Element
Shakespeare Company, Llc Div Military Electronics
5963-00-974-880912020 INTERCHANGEABLE
Electronic Module,standardized
Microwave Engineering Corporation
6615-01-052-042212020 INTERCHANGEABLE
Gyro,pitch
Condor Pacific Industries, Inc.
5930-01-058-6543 INTERCHANGEABLE
Switch,rotary
5305-01-138-3663 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
120-20 PRIMARY Illinois Tool Works Inc. (USA)
Related Parts
5950-00-079-4015INTERCHANGEABLE
REACTOR
7726571P018
3110-00-156-8451INTERCHANGEABLE
RING,BEARING,INNER
9098901
6695-00-250-5430INTERCHANGEABLE
INDICATOR,SYMBOL INDICATING
5000011
6145-00-526-3047INTERCHANGEABLE
CABLE,RADIO FREQUENCY
12020
4820-00-595-2761INTERCHANGEABLE
VALVE,SAFETY RELIEF
284142N
5985-00-733-6042INTERCHANGEABLE
ANTENNA ELEMENT
120-20
5963-00-974-8809INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
12020
6615-01-052-0422INTERCHANGEABLE
GYRO,PITCH
12020
5930-01-058-6543INTERCHANGEABLE
SWITCH,ROTARY
5305-01-138-3663INTERCHANGEABLE
SCREW,MACHINE
6210-01-166-5043INTERCHANGEABLE
LIGHT,PANEL
5895-01-220-9517INTERCHANGEABLE
MIXER
12020

Frequently Asked Questions

What is NSN 5325-00-281-6504?

NSN 5325-00-281-6504 is a Ring,retaining, manufactured by Illinois Tool Works Inc., classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-281-6504?

NSN 5325-00-281-6504 has 1 cross-referenced part number: 120-20 (Illinois Tool Works Inc.).

What NSN replaces 5325-00-281-6504?

There are 12 known substitutes for 5325-00-281-6504: 5950-00-079-4015, 3110-00-156-8451, 6695-00-250-5430 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120-20?

Key specifications for 120-20: Material Diameter: 0.041 INCHES NOMINAL IN; Ring Style: HOOKED WIRE; Cross-Sectional Shape Style: ROUND; Special Features: GAP OPENING 3/16 IN. ENDS OF PRONGS EXTEND 1/16 IN. ABOVE CENTER OF ID OF RING IN. 12 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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