PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1A5803Ring,retaining

Caterpillar Inc Div Caterpillar Defense · NSN 5325-00-205-5137 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-205-5137 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-205-5137. Primary manufacturer part number: 1A5803.
Features
  • Ring,retaining — FSC 5325
  • Material: STEEL
  • Material Document and Classification: JAN,S1160,NO. 2 OR 3 MIL SPEC SINGLE MATERIAL RESPONSE
  • Ring Style: OFFSET
  • Outside Diameter: 2.3347 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: ROUND
  • Strength Rating: ERR-060
  • Casehardening Indicator: NOT CASEHARDENED
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-205-5137, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 11 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-205-5137
Primary Part Number1A5803
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
MaterialSTEEL
Material Document and ClassificationJAN,S1160,NO. 2 OR 3 MIL SPEC SINGLE MATERIAL RESPONSE
Ring StyleOFFSET
Outside Diameter2.3347 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Strength RatingERR-060
Casehardening IndicatorNOT CASEHARDENED
Inside Diameter2.094 INCHES NOMINAL IN
Usage DesignEXTERNAL
Material Diameter0.1205 INCHES NOMINAL IN
Material Hardness Rating42.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5365-00-340-08859528 INTERCHANGEABLE
Plug,machine Thread
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
5120-00-756-0925J9528 INTERCHANGEABLE
Extractor,screw
The Stanley Works Dba Stanley Proto
5950-00-990-28919528 INTERCHANGEABLE
Reactor
Standex Electronics, Inc.
4930-01-108-7205909528 INTERCHANGEABLE
Cart Assembly
Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division
5930-01-450-5203952-8 INTERCHANGEABLE
Switch,toggle
Globe Food Equipment Company
6515-01-565-13899528 INTERCHANGEABLE
Tubing,compression System
Covidien Sales Llc Dba Covidien Sales
6515-01-620-55139528 INTERCHANGEABLE
Tubing,surgical
Covidien Healthcare Div Medical
8145-01-687-99149528 INTERCHANGEABLE
Shipping and Storage Container,e
Logos Imaging Llc
Cross-Reference Index
Part NumberManufacturer
1A5803 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
9528 Hyster-Yale Group, Inc. (USA)
Related Parts
5365-00-340-0885INTERCHANGEABLE
PLUG,MACHINE THREAD
9528
5120-00-756-0925INTERCHANGEABLE
EXTRACTOR,SCREW
J9528
5950-00-990-2891INTERCHANGEABLE
REACTOR
9528
4930-01-108-7205INTERCHANGEABLE
CART ASSEMBLY
909528
5930-01-450-5203INTERCHANGEABLE
SWITCH,TOGGLE
952-8
6515-01-565-1389INTERCHANGEABLE
TUBING,COMPRESSION SYSTEM
9528
6515-01-620-5513INTERCHANGEABLE
TUBING,SURGICAL
9528
8145-01-687-9914INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
9528

Frequently Asked Questions

What is NSN 5325-00-205-5137?

NSN 5325-00-205-5137 is a Ring,retaining, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-205-5137?

NSN 5325-00-205-5137 has 2 cross-referenced part numbers: 1A5803 (Caterpillar Inc Div Caterpillar Defense), 9528 (Hyster-Yale Group, Inc.).

What NSN replaces 5325-00-205-5137?

There are 8 known substitutes for 5325-00-205-5137: 5365-00-340-0885, 5120-00-756-0925, 5950-00-990-2891 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1A5803?

Key specifications for 1A5803: Material: STEEL; Material Document and Classification: JAN,S1160,NO. 2 OR 3 MIL SPEC SINGLE MATERIAL RESPONSE; Ring Style: OFFSET; Outside Diameter: 2.3347 INCHES NOMINAL IN. 11 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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