PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2643-825-88 ITEM 20Nut,self-Locking,hexagon

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5310-01-623-9911 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-623-9911 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-623-9911. Primary manufacturer part number: 2643-825-88 ITEM 20.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • 24 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 Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-623-9911, 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 24 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameNut,self-Locking,hexagon
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (CAGE 80205); Naval Sea Systems Command (CAGE 53711); Naval Inventory Control Point Mechanicsburg (CAGE 03950); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349)
Technical Specifications
ParameterValue
NSN5310-01-623-9911
Primary Part Number2643-825-88 ITEM 20
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-01-004-6946MS17828-10C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-348-1730 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-671-2258 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
2643-825-88 ITEM 20 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MS17828-10C National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
581-8838021-37 Naval Sea Systems Command (USA)
G5472101-0111D4 Naval Inventory Control Point Mechanicsburg (USA)
LSA003518-37 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
211026353F Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MS17828-10C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
G547-2101 PN 111D4 Naval Inventory Control Point Mechanicsburg (USA)
845-7526224-XXXX-27 Naval Sea Systems Command (USA)
G5472101-0111 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
7550477-G5472101-0111D4 Naval Inventory Control Point Mechanicsburg (USA)
G547-0001-G5472101-0111D4 Naval Inventory Control Point Mechanicsburg (USA)
G547-0001-G5472101-0111 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
G547-2101 PN 111 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
R61111404-37 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MS17828-10CD4 Naval Inventory Control Point Mechanicsburg (USA)
7384567 PN 111 Naval Sea Systems Command (USA)
LSA003518-37L1 Naval Inventory Control Point Mechanicsburg (USA)
7550477-G5472101-0111 Naval Sea Systems Command (USA)
211026353FD4 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5310-01-004-6946INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17828-10C
5310-01-348-1730INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-671-2258INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-623-9911?

NSN 5310-01-623-9911 is a Nut,self-Locking,hexagon, 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 5310-01-623-9911?

NSN 5310-01-623-9911 has 24 cross-referenced part numbers: 2643-825-88 ITEM 20 (Electric Boat Corporation Div General Dynamics Electric Boat), MS17828-10C (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 581-8838021-37 (Naval Sea Systems Command), G5472101-0111D4 (Naval Inventory Control Point Mechanicsburg), LSA003518-37 (Electric Boat Corporation Div General Dynamics Electric Boat) and 19 more.

What NSN replaces 5310-01-623-9911?

There are 3 known substitutes for 5310-01-623-9911: 5310-01-004-6946, 5310-01-348-1730, 5310-01-671-2258. Verify interchangeability with system specifications before substitution.

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