PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C623-0502 FN SDGC-A17Ring,retaining

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5325-01-481-7332 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-481-7332 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-481-7332. Primary manufacturer part number: C623-0502 FN SDGC-A17.
Features
  • Ring,retaining — FSC 5325
  • Material Document and Classification: QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE
  • Material: NICKEL ALLOY 400
  • Cross-Sectional Shape Style: ROUNDED CORNERS
  • Casehardening Indicator: NOT CASEHARDENED
  • Inside Diameter: 4.250 INCHES NOMINAL IN
  • Outside Diameter: 4.750 INCHES NOMINAL IN
  • Major Thickness: 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Applications
  • Applications requiring Nickel Alloy 400 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-481-7332, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-481-7332
Primary Part NumberC623-0502 FN SDGC-A17
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Material Document and ClassificationQQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE
MaterialNICKEL ALLOY 400
Cross-Sectional Shape StyleROUNDED CORNERS
Casehardening IndicatorNOT CASEHARDENED
Inside Diameter4.250 INCHES NOMINAL IN
Outside Diameter4.750 INCHES NOMINAL IN
Major Thickness0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4330-01-484-0147566-6405738-SDGC FIND B41 INTERCHANGEABLE
Filter Element,fluid
Naval Sea Systems Command
5365-01-484-0871566-6405738-SDGC FIND B17 INTERCHANGEABLE
Spacer,plate
Naval Sea Systems Command
5365-01-484-0930566-6405738-SDGC FIND B16 INTERCHANGEABLE
Retainer,check Valv
Naval Sea Systems Command
5330-01-484-6838VS33754125-151-1 INTERCHANGEABLE
Packing Assembly
Allegheny York, Llc
Cross-Reference Index
Part NumberManufacturer
566-6405738-SDGC FIND A17 Naval Sea Systems Command (USA)
6405738 FIND SDGC-A17 Naval Sea Systems Command (USA)
C623-0502 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
6405738 FIND SGDC-A17 Naval Sea Systems Command (USA)
6405738 Naval Sea Systems Command (USA)
C623-0502 FN SDGC-A17 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
6230502-A17 Naval Sea Systems Command (USA)
6230502 FIND A17 Naval Sea Systems Command (USA)
Related Parts
4330-01-484-0147INTERCHANGEABLE
FILTER ELEMENT,FLUID
566-6405738-SDGC FIND B41
5365-01-484-0871INTERCHANGEABLE
SPACER,PLATE
566-6405738-SDGC FIND B17
5365-01-484-0930INTERCHANGEABLE
RETAINER,CHECK VALV
566-6405738-SDGC FIND B16
5330-01-484-6838INTERCHANGEABLE
PACKING ASSEMBLY
VS33754125-151-1

Frequently Asked Questions

What is NSN 5325-01-481-7332?

NSN 5325-01-481-7332 is a Ring,retaining, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-481-7332?

NSN 5325-01-481-7332 has 8 cross-referenced part numbers: 566-6405738-SDGC FIND A17 (Naval Sea Systems Command), 6405738 FIND SDGC-A17 (Naval Sea Systems Command), C623-0502 (Electric Boat Corporation Div General Dynamics Electric Boat), 6405738 FIND SGDC-A17 (Naval Sea Systems Command), 6405738 (Naval Sea Systems Command) and 3 more.

What NSN replaces 5325-01-481-7332?

There are 4 known substitutes for 5325-01-481-7332: 4330-01-484-0147, 5365-01-484-0871, 5365-01-484-0930 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C623-0502 FN SDGC-A17?

Key specifications for C623-0502 FN SDGC-A17: Part Name Assigned by Controlling Agency: RETAINER WIPER; Special Features: MATERIAL SPEC IS QQ-N-281 CL A, FORM 6, COND-HF(AR); 8 HOLES DIAMETER 0.281 THRU; Material Document and Classification: QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE; Material: NICKEL ALLOY 400. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com