PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8B6999Ring,retaining

Caterpillar Inc Div Caterpillar Defense · NSN 5325-00-200-3548 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-200-3548 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-200-3548. Primary manufacturer part number: 8B6999.
Features
  • Ring,retaining — FSC 5325
  • Major Thickness: 0.125 INCHES NOMINAL IN
  • Material: STEEL
  • End Style: VERTEX BELOW CENTER
  • Inside Diameter: 5.750 INCHES NOMINAL IN
  • Outside Diameter: 6.125 INCHES NOMINAL IN
  • Ring Style: STRAIGHT GAP
  • Usage Design: EXTERNAL
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-200-3548, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-200-3548
Primary Part Number8B6999
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Major Thickness0.125 INCHES NOMINAL IN
MaterialSTEEL
End StyleVERTEX BELOW CENTER
Inside Diameter5.750 INCHES NOMINAL IN
Outside Diameter6.125 INCHES NOMINAL IN
Ring StyleSTRAIGHT GAP
Usage DesignEXTERNAL
Cross-Sectional Shape StyleROUNDED CORNERS
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5905-00-420-8464123-322 INTERCHANGEABLE
Resistor and Mounti
Avionics Specialties, Inc.
6210-00-435-9310 INTERCHANGEABLE
Light,indicator
2530-00-753-9157A1689 INTERCHANGEABLE
Hub and Drum Assembly,wheel
Am General Llc
4730-00-948-0411 INTERCHANGEABLE
Tee,tube to Boss
4130-00-950-1945123322 INTERCHANGEABLE
Filter Element,air Conditioning
Falls Filtration Technologies, Inc.
6515-01-542-1390123322 INTERCHANGEABLE
Airway,nasopharyngeal
Teleflex Llc
Cross-Reference Index
Part NumberManufacturer
123322 Terex Corp (USA)
VA1689 White Farm Equipment Co Sub of Tic Investment Corp
5190408 General Motors Corp (USA)
271372R1 Navistar International Corporation Dba Navistar (USA)
5190408 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
123322 General Motors Corp (USA)
8B6999 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
A1689 PRIMARY H20 Tank Inc U S Motors Div (USA)
A1689 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
271372R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
123322 General Motors Llc Dba General Motors Llc (USA)
5190408 General Motors Llc Dba General Motors Llc (USA)
Related Parts
5905-00-420-8464INTERCHANGEABLE
RESISTOR AND MOUNTI
123-322
6210-00-435-9310INTERCHANGEABLE
LIGHT,INDICATOR
2530-00-753-9157INTERCHANGEABLE
HUB AND DRUM ASSEMBLY,WHEEL
A1689
4730-00-948-0411INTERCHANGEABLE
TEE,TUBE TO BOSS
4130-00-950-1945INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
123322
6515-01-542-1390INTERCHANGEABLE
AIRWAY,NASOPHARYNGEAL
123322

Frequently Asked Questions

What is NSN 5325-00-200-3548?

NSN 5325-00-200-3548 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 5325-00-200-3548?

NSN 5325-00-200-3548 has 12 cross-referenced part numbers: 123322 (Terex Corp), VA1689 (White Farm Equipment Co Sub of Tic Investment Corp), 5190408 (General Motors Corp), 271372R1 (Navistar International Corporation Dba Navistar), 5190408 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic) and 7 more.

What NSN replaces 5325-00-200-3548?

There are 6 known substitutes for 5325-00-200-3548: 5905-00-420-8464, 6210-00-435-9310, 2530-00-753-9157 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8B6999?

Key specifications for 8B6999: Major Thickness: 0.125 INCHES NOMINAL IN; Material: STEEL; End Style: VERTEX BELOW CENTER; Inside Diameter: 5.750 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-200-3548 still in active supply?

NSN 5325-00-200-3548 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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