PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9B586Ring,retaining

Caterpillar Inc Div Caterpillar Defense · NSN 5325-00-355-2033 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-355-2033 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-355-2033. Primary manufacturer part number: 9B586.
Features
  • Ring,retaining — FSC 5325
  • End Style: VERTEX OUTSIDE PERIPHERY
  • Material: STEEL COMP 1065
  • Material Document and Classification: QQ-S-633,F1065 FED SPEC SINGLE MATERIAL RESPONSE
  • Casehardening Indicator: NOT CASEHARDENED
  • Material Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
  • Inside Diameter: 4.062 INCHES NOMINAL IN
  • Usage Design: EXTERNAL
Applications
  • Applications requiring Steel Comp 1065 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-355-2033, 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 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-355-2033
Primary Part Number9B586
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
End StyleVERTEX OUTSIDE PERIPHERY
MaterialSTEEL COMP 1065
Material Document and ClassificationQQ-S-633,F1065 FED SPEC SINGLE MATERIAL RESPONSE
Casehardening IndicatorNOT CASEHARDENED
Material Hardness Rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
Inside Diameter4.062 INCHES NOMINAL IN
Usage DesignEXTERNAL
Ring StyleSTRAIGHT GAP
Cross-Sectional Shape StyleRECTANGULAR
Outside Diameter4.434 INCHES MINIMUM AND 4.442 INCHES MAXIMUM IN
Major Thickness0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-064-010612332-3 INTERCHANGEABLE
Nut,plain,hexagon
Naval Inventory Control Point Mechanicsburg
5315-00-200-7950 INTERCHANGEABLE
Pin,straight,headless
6210-00-435-9311 INTERCHANGEABLE
Light,indicator
4820-00-477-6011 INTERCHANGEABLE
Valve,vent
6610-00-678-5073A1936 INTERCHANGEABLE
Band,solder
Kelly Manufacturing Company
1610-00-837-9414 INTERCHANGEABLE
Pilot Tube,hub Spid
4130-00-893-9750123323 INTERCHANGEABLE
Filter Element,air Conditioning
Falls Filtration Technologies, Inc.
5365-01-159-1052 INTERCHANGEABLE
Retainer,disk
5915-01-199-7175144A8713P1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Bae Systems Controls Inc.
8455-01-550-8360 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A2622A Twin Disc International S a (GBR)
9B586 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
A1891 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
1F1440 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
A2622A PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
9123323 Euclid Inc (USA)
A1936 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
A2622A Marine & Industrial Transmissions Ltd (GBR)
123323 Terex Corp (USA)
Related Parts
5310-00-064-0106INTERCHANGEABLE
NUT,PLAIN,HEXAGON
12332-3
5315-00-200-7950INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
6210-00-435-9311INTERCHANGEABLE
LIGHT,INDICATOR
4820-00-477-6011INTERCHANGEABLE
VALVE,VENT
6610-00-678-5073INTERCHANGEABLE
BAND,SOLDER
A1936
1610-00-837-9414INTERCHANGEABLE
PILOT TUBE,HUB SPID
4130-00-893-9750INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
123323
5365-01-159-1052INTERCHANGEABLE
RETAINER,DISK
5915-01-199-7175INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
144A8713P1
8455-01-550-8360INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-560-0759INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-660-7035INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5325-00-355-2033?

NSN 5325-00-355-2033 is a Ring,retaining, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-355-2033?

NSN 5325-00-355-2033 has 9 cross-referenced part numbers: A2622A (Twin Disc International S a), 9B586 (Caterpillar Inc Div Caterpillar Defense), A1891 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 1F1440 (Caterpillar Inc Div Caterpillar Defense), A2622A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic) and 4 more.

What NSN replaces 5325-00-355-2033?

There are 12 known substitutes for 5325-00-355-2033: 5310-00-064-0106, 5315-00-200-7950, 6210-00-435-9311 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9B586?

Key specifications for 9B586: End Style: VERTEX OUTSIDE PERIPHERY; Material: STEEL COMP 1065; Material Document and Classification: QQ-S-633,F1065 FED SPEC SINGLE MATERIAL RESPONSE; Casehardening Indicator: NOT CASEHARDENED. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-355-2033 still in active supply?

NSN 5325-00-355-2033 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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