PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4B3388Bolt,machine

Caterpillar Inc Div Caterpillar Defense · NSN 5306-00-263-7300 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-263-7300 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-263-7300. Primary manufacturer part number: 4B3388.
Features
  • Bolt,machine — FSC 5306
  • 3 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-263-7300, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBolt,machine
FSC / FSG5306 — No Item Name Available (FSG 53)
ManufacturersMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Caterpillar Tractor Co Ltd (CAGE U3363); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Successor NSN5306-00-089-1425 — Bolt,square Neck
Technical Specifications
ParameterValue
NSN5306-00-263-7300
Primary Part Number4B3388
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
Bolt,square Neck
5306-00-226-4835MS90725-42 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-00-226-4839AEB02C312C50WA6AA1 SUCCESSOR
Bolt,machine
The American Society of Mechanical Engineers
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-404-1385MS35751-54 SUCCESSOR
Bolt,square Neck
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-00-550-5030MS35355-145 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5306-00-721-588769470 SUCCESSOR
Bolt,machine
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
MILB857 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4B3388 Caterpillar Tractor Co Ltd (GBR)
4B3388 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5306-00-089-1425SUCCESSOR
BOLT,SQUARE NECK
5306-00-226-4835SUCCESSOR
BOLT,MACHINE
MS90725-42
5306-00-226-4839SUCCESSOR
BOLT,MACHINE
AEB02C312C50WA6AA1
5306-00-227-0610SUCCESSOR
BOLT,MACHINE
5306-00-299-2339SUCCESSOR
BOLT,MACHINE
5306-00-299-2380SUCCESSOR
BOLT,MACHINE
5306-00-379-4569SUCCESSOR
BOLT,MACHINE
5306-00-404-1385SUCCESSOR
BOLT,SQUARE NECK
MS35751-54
5306-00-550-5030SUCCESSOR
BOLT,MACHINE
MS35355-145
5306-00-721-5887SUCCESSOR
BOLT,MACHINE
69470
5306-00-068-0373SUCCESSOR
BOLT,MACHINE
5486612 ITEM 23
5306-00-174-9479SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-263-7300?

NSN 5306-00-263-7300 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-263-7300?

NSN 5306-00-263-7300 has 3 cross-referenced part numbers: MILB857 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 4B3388 (Caterpillar Tractor Co Ltd), 4B3388 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5306-00-263-7300?

There are 12 known substitutes for 5306-00-263-7300: 5306-00-089-1425, 5306-00-226-4835, 5306-00-226-4839 and 9 more. Verify interchangeability with system specifications before substitution.

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