PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3765Ring,retaining

Eaton Corporation · NSN 5325-00-663-2409 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-663-2409 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-663-2409. Primary manufacturer part number: 3765.
Features
  • Ring,retaining — FSC 5325
  • Usage Design: INTERNAL
  • Material: STEEL
  • Surface Treatment: CADMIUM
  • Inside Diameter: 3.017 INCHES NOMINAL IN
  • Outside Diameter: 3.203 INCHES NOMINAL IN
  • Ring Style: STRAIGHT GAP
  • End Style: VERTEX BELOW CENTER
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-663-2409, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5325-00-663-2409
Primary Part Number3765
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerEaton Corporation
StatusACTIVE
Usage DesignINTERNAL
MaterialSTEEL
Surface TreatmentCADMIUM
Inside Diameter3.017 INCHES NOMINAL IN
Outside Diameter3.203 INCHES NOMINAL IN
Ring StyleSTRAIGHT GAP
End StyleVERTEX BELOW CENTER
Cross-Sectional Shape StyleROUNDED CORNERS
Casehardening IndicatorNOT CASEHARDENED
Major Thickness0.093 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-155-8874102-5630P1 INTERCHANGEABLE
Bearing,ball,annular
Raytheon Company Dba Raytheon
4820-00-194-8860AAG1004-4IN INTERCHANGEABLE
Valve,gate
Heil Environmental Industries
3020-00-277-1121 INTERCHANGEABLE
Pulley,groove
1680-00-337-4438A3765 INTERCHANGEABLE
Brake,disc,actuator
Aerocontrolex Group, Inc. Div Talley Actuators
5935-00-418-87943765C INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5950-00-589-76332000242 INTERCHANGEABLE
Transformer,power
Champion Aerospace Llc
5310-00-700-71277007127 INTERCHANGEABLE
Nut,plain,hexagon
U S Army Tank Automotive Command Amsta-Im-Mm
4320-00-768-29043765A-10010 INTERCHANGEABLE
Ring,wearing
The Gorman-Rupp Company Div Gorman-Rupp
5950-00-905-7993N285498-2 INTERCHANGEABLE
Transformer,radio Frequency
Raytheon Company Dba Raytheon Co
4320-01-016-30283765A10011 INTERCHANGEABLE
Ring,wearing
The Gorman-Rupp Company Div Gorman-Rupp
Cross-Reference Index
Part NumberManufacturer
D26-239 Safran Power Usa Llc (USA)
D26-239 Lucas Aerospace Power Equipment Corporation (USA)
3765 PRIMARY Eaton Corporation (USA)
Related Parts
3110-00-155-8874INTERCHANGEABLE
BEARING,BALL,ANNULAR
102-5630P1
4820-00-194-8860INTERCHANGEABLE
VALVE,GATE
AAG1004-4IN
3020-00-277-1121INTERCHANGEABLE
PULLEY,GROOVE
1680-00-337-4438INTERCHANGEABLE
BRAKE,DISC,ACTUATOR
A3765
5935-00-418-8794INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3765C
5950-00-589-7633INTERCHANGEABLE
TRANSFORMER,POWER
2000242
5310-00-700-7127INTERCHANGEABLE
NUT,PLAIN,HEXAGON
7007127
4320-00-768-2904INTERCHANGEABLE
RING,WEARING
3765A-10010
5950-00-905-7993INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
N285498-2
4320-01-016-3028INTERCHANGEABLE
RING,WEARING
3765A10011
5920-01-563-3881INTERCHANGEABLE
FUSE,CARTRIDGE
6230-01-627-0824INTERCHANGEABLE
FLASHLIGHT
3765

Frequently Asked Questions

What is NSN 5325-00-663-2409?

NSN 5325-00-663-2409 is a Ring,retaining, manufactured by Eaton Corporation, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-663-2409?

NSN 5325-00-663-2409 has 3 cross-referenced part numbers: D26-239 (Safran Power Usa Llc), D26-239 (Lucas Aerospace Power Equipment Corporation), 3765 (Eaton Corporation).

What NSN replaces 5325-00-663-2409?

There are 12 known substitutes for 5325-00-663-2409: 3110-00-155-8874, 4820-00-194-8860, 3020-00-277-1121 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3765?

Key specifications for 3765: Usage Design: INTERNAL; Material: STEEL; Surface Treatment: CADMIUM; Inside Diameter: 3.017 INCHES NOMINAL IN. 10 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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