PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2F8616Nut,self-Locking,hexagon

Caterpillar Inc Div Caterpillar Defense · NSN 5310-00-262-8305 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-262-8305 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-262-8305. Primary manufacturer part number: 2F8616.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Quantity Per Inch: 24
  • Thread Series: UNF
  • Nominal Thread Size: 0.375 INCHES IN
  • Material: STEEL COMP 1212 NUT
  • Width Across Flats: 0.562 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM NUT
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1212 Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-262-8305, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-262-8305
Primary Part Number2F8616
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Thread Quantity Per Inch24
Thread SeriesUNF
Nominal Thread Size0.375 INCHES IN
MaterialSTEEL COMP 1212 NUT
Width Across Flats0.562 INCHES NOMINAL IN
Surface TreatmentCADMIUM NUT
Thread DirectionRIGHT-HAND
Nut Height0.453 INCHES NOMINAL IN
Thread Class3B
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-050-3351 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-950-0039MS21044N6 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
52NE064 General Filters Inc (USA)
22E064 Harvard Industries Inc (USA)
2F8616 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5310-00-050-3351INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-950-0039INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21044N6

Frequently Asked Questions

What is NSN 5310-00-262-8305?

NSN 5310-00-262-8305 is a Nut,self-Locking,hexagon, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-262-8305?

NSN 5310-00-262-8305 has 3 cross-referenced part numbers: 52NE064 (General Filters Inc), 22E064 (Harvard Industries Inc), 2F8616 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5310-00-262-8305?

There are 2 known substitutes for 5310-00-262-8305: 5310-00-050-3351, 5310-00-950-0039. Verify interchangeability with system specifications before substitution.

What are the specifications of 2F8616?

Key specifications for 2F8616: Thread Quantity Per Inch: 24; Thread Series: UNF; Nominal Thread Size: 0.375 INCHES IN; Material: STEEL COMP 1212 NUT. 10 total characteristics are documented in the Federal Logistics Information System.

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