PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401100Ring,retaining

Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems · NSN 5325-00-579-1598 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-579-1598 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-579-1598. Primary manufacturer part number: 401100.
Features
  • Ring,retaining — FSC 5325
  • Material: STEEL
  • Material Document and Classification: SAE 1065 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE
  • Outside Diameter: 1.067 INCHES MINIMUM AND 1.082 INCHES MAXIMUM IN
  • Major Thickness: 0.091 INCHES NOMINAL IN
  • Material Hardness Rating: 42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
  • Inside Diameter: 0.885 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
  • Casehardening Indicator: NOT CASEHARDENED
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-579-1598, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-579-1598
Primary Part Number401100
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerZf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
StatusCANCELLED
MaterialSTEEL
Material Document and ClassificationSAE 1065 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE
Outside Diameter1.067 INCHES MINIMUM AND 1.082 INCHES MAXIMUM IN
Major Thickness0.091 INCHES NOMINAL IN
Material Hardness Rating42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Inside Diameter0.885 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleRECTANGULAR
Ring StyleSTRAIGHT GAP
End Style90 DEGREE PARALLEL
Usage DesignEXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
6150-00-089-9503250575-13 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Woodward Hrt Inc
2910-00-367-3613639103 INTERCHANGEABLE
Dome,air
Chrysler Realty Company Llc Dba Daimler Chrysler
5985-00-433-902440-1100 INTERCHANGEABLE
Adapter,waveguide
Microwave Engineering Corporation
4820-00-600-577140-2-000 INTERCHANGEABLE
Valve,check
L3harris Interstate Electronics Corporation
5930-00-605-6427401-100 INTERCHANGEABLE
Switch,thermostatic
Leica Inc Surveying and Photogrammetry Systems Div
6150-00-937-8246 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5975-01-097-7032401100 INTERCHANGEABLE
Panel,blank
Telemechanics Inc
5905-01-276-5525 INTERCHANGEABLE
Resistor,fixed,film
5330-01-378-3559401100 INTERCHANGEABLE
Retainer,packing
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4820-01-696-0943 INTERCHANGEABLE
Valve,butterfly
Cross-Reference Index
Part NumberManufacturer
639103 Am General Llc (USA)
GPW3589 Ford Motor Company (USA)
7696371 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
401100 PRIMARY Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA)
GPW3589 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
Related Parts
6150-00-089-9503INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
250575-13
2910-00-367-3613INTERCHANGEABLE
DOME,AIR
639103
5985-00-433-9024INTERCHANGEABLE
ADAPTER,WAVEGUIDE
40-1100
4820-00-600-5771INTERCHANGEABLE
VALVE,CHECK
40-2-000
5930-00-605-6427INTERCHANGEABLE
SWITCH,THERMOSTATIC
401-100
6150-00-937-8246INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5975-01-097-7032INTERCHANGEABLE
PANEL,BLANK
401100
5905-01-276-5525INTERCHANGEABLE
RESISTOR,FIXED,FILM
5330-01-378-3559INTERCHANGEABLE
RETAINER,PACKING
401100
4820-01-696-0943INTERCHANGEABLE
VALVE,BUTTERFLY

Frequently Asked Questions

What is NSN 5325-00-579-1598?

NSN 5325-00-579-1598 is a Ring,retaining, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-579-1598?

NSN 5325-00-579-1598 has 5 cross-referenced part numbers: 639103 (Am General Llc), GPW3589 (Ford Motor Company), 7696371 (U S Army Tank Automotive Command Amsta-Im-Mm), 401100 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems), GPW3589 (Ford Motor Co Ford Parts and Service Div Government Part Sales).

What NSN replaces 5325-00-579-1598?

There are 10 known substitutes for 5325-00-579-1598: 6150-00-089-9503, 2910-00-367-3613, 5985-00-433-9024 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 401100?

Key specifications for 401100: Material: STEEL; Material Document and Classification: SAE 1065 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE; Outside Diameter: 1.067 INCHES MINIMUM AND 1.082 INCHES MAXIMUM IN; Major Thickness: 0.091 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-579-1598 still in active supply?

NSN 5325-00-579-1598 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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