PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2640-682-10 ITEM 32Washer,flat

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5310-01-479-4690 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-479-4690 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-479-4690. Primary manufacturer part number: 2640-682-10 ITEM 32.
Features
  • Washer,flat — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-479-4690, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. This item has 3 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.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Naval Sea Systems Command (CAGE 53711)
Technical Specifications
ParameterValue
NSN5310-01-479-4690
Primary Part Number2640-682-10 ITEM 32
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-01-479-4806845-6690372 ITEM 40 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
5310-01-479-4839845-6690372 ITEM 36 INTERCHANGEABLE
Nut,plain,hexagon
Naval Sea Systems Command
5310-01-479-5249MS17829-6C MOD INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4710-01-483-510437-37-7828 INTERCHANGEABLE
Tube,metallic
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
2640-682-10 ITEM 32 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
6690372 Naval Sea Systems Command (USA)
845-6690372 ITEM 32 Naval Sea Systems Command (USA)
Related Parts
5310-01-479-4806INTERCHANGEABLE
NUT,PLAIN,HEXAGON
845-6690372 ITEM 40
5310-01-479-4839INTERCHANGEABLE
NUT,PLAIN,HEXAGON
845-6690372 ITEM 36
5310-01-479-5249INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17829-6C MOD
4710-01-483-5104INTERCHANGEABLE
TUBE,METALLIC
37-37-7828

Frequently Asked Questions

What is NSN 5310-01-479-4690?

NSN 5310-01-479-4690 is a Washer,flat, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-479-4690?

NSN 5310-01-479-4690 has 3 cross-referenced part numbers: 2640-682-10 ITEM 32 (Electric Boat Corporation Div General Dynamics Electric Boat), 6690372 (Naval Sea Systems Command), 845-6690372 ITEM 32 (Naval Sea Systems Command).

What NSN replaces 5310-01-479-4690?

There are 4 known substitutes for 5310-01-479-4690: 5310-01-479-4806, 5310-01-479-4839, 5310-01-479-5249 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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