PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2644-747-01-ITEM NO-18Nut,self-Locking,hexagon

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5310-01-375-0654 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-375-0654 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-375-0654. Primary manufacturer part number: 2644-747-01-ITEM NO-18.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
  • Material: NICKEL ALLOY OVERALL
  • Thread Class: 3B
  • Nominal Thread Size: 0.875 INCHES IN
  • Thread Quantity Per Inch: 9
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Criticality Code Justification: ZZZW
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-375-0654, 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. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 31 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-375-0654
Primary Part Number2644-747-01-ITEM NO-18
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusCANCELLED
Departure From Cited DocumentMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
MaterialNICKEL ALLOY OVERALL
Thread Class3B
Nominal Thread Size0.875 INCHES IN
Thread Quantity Per Inch9
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Criticality Code JustificationZZZW
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5310-00-088-5329 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-245-350510010 INTERCHANGEABLE
Nut,self-Locking,hexagon
Weil Pump Co Inc
5310-00-866-8637 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-269-0328516-8500418 ITEM F2 INTERCHANGEABLE
Nut,self-Locking,hexagon
Naval Sea Systems Command
5310-01-537-57884384583 PC 37 INTERCHANGEABLE
Nut,self-Locking,hexagon
Naval Ship Systems Command
5310-01-644-1357 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
2644-747-01-ITEM NO-18 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
DF330705-25 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
845-8616948-ITEM NO-18 Naval Sea Systems Command (USA)
MS17828-14CL1 Naval Inventory Control Point Mechanicsburg (USA)
G547-0003-7108102-23 Naval Inventory Control Point Mechanicsburg (USA)
513-2047861 PIECE 25L1 Naval Inventory Control Point Mechanicsburg (USA)
7108102-23 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
DF330705-25L1 Naval Inventory Control Point Mechanicsburg (USA)
G547-0003-7108102-23 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
845-8616948-ITEM NO-18L1 Naval Inventory Control Point Mechanicsburg (USA)
MS17828-14C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
DF330705-24 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
6405340 FIND 24L1 Naval Inventory Control Point Mechanicsburg (USA)
803-4385051-X-012 Naval Ship Systems Command (USA)
845-7108102-A-023 Naval Sea Systems Command (USA)
7550479-7108102-23 Naval Inventory Control Point Mechanicsburg (USA)
0.875-9UNC-3B NICU L1 Naval Inventory Control Point Mechanicsburg (USA)
DF330705-24L1 Naval Inventory Control Point Mechanicsburg (USA)
2644-747-01-ITEM NO-18L1 Naval Inventory Control Point Mechanicsburg (USA)
845-7108102-A-023L1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5310-00-088-5329INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-245-3505INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
10010
5310-00-866-8637INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-269-0328INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
516-8500418 ITEM F2
5310-01-537-5788INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4384583 PC 37
5310-01-644-1357INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-375-0654?

NSN 5310-01-375-0654 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: cancelled.

What are the part numbers for NSN 5310-01-375-0654?

NSN 5310-01-375-0654 has 31 cross-referenced part numbers: 2644-747-01-ITEM NO-18 (Electric Boat Corporation Div General Dynamics Electric Boat), DF330705-25 (Huntington Ingalls Inc Div Newport News Shipbuilding), 845-8616948-ITEM NO-18 (Naval Sea Systems Command), MS17828-14CL1 (Naval Inventory Control Point Mechanicsburg), G547-0003-7108102-23 (Naval Inventory Control Point Mechanicsburg) and 26 more.

What NSN replaces 5310-01-375-0654?

There are 6 known substitutes for 5310-01-375-0654: 5310-00-088-5329, 5310-00-245-3505, 5310-00-866-8637 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2644-747-01-ITEM NO-18?

Key specifications for 2644-747-01-ITEM NO-18: Departure From Cited Document: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Material: NICKEL ALLOY OVERALL; Thread Class: 3B; Nominal Thread Size: 0.875 INCHES IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-375-0654 still in active supply?

NSN 5310-01-375-0654 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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