PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

488625-165Ring,retaining

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 5325-00-663-2276 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-663-2276 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-663-2276. Primary manufacturer part number: 488625-165.
Features
  • Ring,retaining — FSC 5325
  • Ring Style: EXTERNAL
  • Material: STEEL COMP 420
  • Material Document and Classification: AISI,TYPE 420 ASSN STD SINGLE MATERIAL RESPONSE
  • Usage Design: EXTERNAL
  • Inside Diameter: 0.366 INCHES NOMINAL IN
  • Major Thickness: 0.025 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
Applications
  • Applications requiring Steel Comp 420 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-663-2276, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-663-2276
Primary Part Number488625-165
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
StatusCANCELLED
Ring StyleEXTERNAL
MaterialSTEEL COMP 420
Material Document and ClassificationAISI,TYPE 420 ASSN STD SINGLE MATERIAL RESPONSE
Usage DesignEXTERNAL
Inside Diameter0.366 INCHES NOMINAL IN
Major Thickness0.025 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleROUNDED CORNERS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5310-00-268-60161174587 INTERCHANGEABLE
Nut,plain,castellated,hexagon
The Boeing Company
6220-00-671-038210453 INTERCHANGEABLE
Retainer,lens
Grimes Aerospace Company
9540-00-727-262910453 INTERCHANGEABLE
Structural Section,special Shape
Alcoa/reynolds Metals Company
5330-00-757-168010453 INTERCHANGEABLE
Packing,preformed
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5999-00-799-5639 INTERCHANGEABLE
Mounting Pad,electrical-Electron
4330-01-227-7314 INTERCHANGEABLE
Filter,fluid
5360-01-385-551710453 INTERCHANGEABLE
Spring,helical,compression
Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.
5975-01-678-81041705 INTERCHANGEABLE
Base,mounting,electrical Fitting
Hubbell-Raco Inc
Cross-Reference Index
Part NumberManufacturer
488625-165 PRIMARY L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
5100-40W Truarc Company Llc Dba Waldes Truarc (USA)
5100-40W Rotor Clip Company, Inc. (USA)
10453 Kleinschmidt Inc (USA)
Related Parts
5310-00-268-6016INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
1174587
6220-00-671-0382INTERCHANGEABLE
RETAINER,LENS
10453
9540-00-727-2629INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
10453
5330-00-757-1680INTERCHANGEABLE
PACKING,PREFORMED
10453
5999-00-799-5639INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
4330-01-227-7314INTERCHANGEABLE
FILTER,FLUID
5360-01-385-5517INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10453
5975-01-678-8104INTERCHANGEABLE
BASE,MOUNTING,ELECTRICAL FITTING
1705

Frequently Asked Questions

What is NSN 5325-00-663-2276?

NSN 5325-00-663-2276 is a Ring,retaining, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-663-2276?

NSN 5325-00-663-2276 has 4 cross-referenced part numbers: 488625-165 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 5100-40W (Truarc Company Llc Dba Waldes Truarc), 5100-40W (Rotor Clip Company, Inc.), 10453 (Kleinschmidt Inc).

What NSN replaces 5325-00-663-2276?

There are 8 known substitutes for 5325-00-663-2276: 5310-00-268-6016, 6220-00-671-0382, 9540-00-727-2629 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 488625-165?

Key specifications for 488625-165: Ring Style: EXTERNAL; Material: STEEL COMP 420; Material Document and Classification: AISI,TYPE 420 ASSN STD SINGLE MATERIAL RESPONSE; Usage Design: EXTERNAL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-663-2276 still in active supply?

NSN 5325-00-663-2276 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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