PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4378Bolt,machine

The Champion Company Div Ground Support Equipment · NSN 5306-00-206-4185 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-206-4185 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-206-4185. Primary manufacturer part number: 4378.
Features
  • Bolt,machine — FSC 5306
  • Thread Direction: RIGHT-HAND
  • Hole Type: DRILLED
  • Fastener Length: 1.453 INCHES NOMINAL IN
  • Hole Quantity: 1
  • Hole Diameter: 0.070 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • Thread Length: 0.641 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4037 or Steel Comp 4130 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 8740 or Steel Comp 4140 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-206-4185, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Champion Company Div Ground Support Equipment. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-206-4185
Primary Part Number4378
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerThe Champion Company Div Ground Support Equipment
StatusACTIVE
Thread DirectionRIGHT-HAND
Hole TypeDRILLED
Fastener Length1.453 INCHES NOMINAL IN
Hole Quantity1
Hole Diameter0.070 INCHES NOMINAL IN
Thread Series DesignatorUNF
Thread Length0.641 INCHES MINIMUM IN
Hole Configuration StyleHEXAGON FLATS
Thread Class3A A
Nominal Thread Diameter0.375 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Head Height0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
MaterialSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Surface TreatmentCADMIUM OR CHROMATE OVERALL
Head StyleHEXAGON
Thread Quantity Per Inch24
Width Between Flats0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
Grip Length0.812 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6530-01-190-4378PB30 SUCCESSOR
Box,plastic
Orbis Corporation
3110-00-516-5289203TF INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
4930-01-119-403043-XV INTERCHANGEABLE
Pump,sampler
Easy Vac, Inc. Dba Easy Vac Inc
5330-01-272-1173 INTERCHANGEABLE
Gasket
5310-01-478-11704378 INTERCHANGEABLE
Washer,flat
John Deere Construction & Forestry Company
5365-01-654-94314378 INTERCHANGEABLE
Shim
Western Sky Industries Inc Dba Electromech Techologies
5310-01-680-7182MN692308 INTERCHANGEABLE
Nut,self-Locking,extended Washer
J.w.f. Technologies, Llc
6110-01-732-30134378 INTERCHANGEABLE
Panel,control,electrical-Electro
Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc
Cross-Reference Index
Part NumberManufacturer
4378 The Champion Company Div Ground Support Equipment (USA)
AN6H13A Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
6530-01-190-4378SUCCESSOR
BOX,PLASTIC
PB30
3110-00-516-5289INTERCHANGEABLE
BEARING,BALL,ANNULAR
203TF
4930-01-119-4030INTERCHANGEABLE
PUMP,SAMPLER
43-XV
5330-01-272-1173INTERCHANGEABLE
GASKET
5310-01-478-1170INTERCHANGEABLE
WASHER,FLAT
4378
5365-01-654-9431INTERCHANGEABLE
SHIM
4378
5310-01-680-7182INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
MN692308
6110-01-732-3013INTERCHANGEABLE
PANEL,CONTROL,ELECTRICAL-ELECTRO
4378

Frequently Asked Questions

What is NSN 5306-00-206-4185?

NSN 5306-00-206-4185 is a Bolt,machine, manufactured by The Champion Company Div Ground Support Equipment, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-206-4185?

NSN 5306-00-206-4185 has 2 cross-referenced part numbers: 4378 (The Champion Company Div Ground Support Equipment), AN6H13A (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5306-00-206-4185?

There are 8 known substitutes for 5306-00-206-4185: 6530-01-190-4378, 3110-00-516-5289, 4930-01-119-4030 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4378?

Key specifications for 4378: Thread Direction: RIGHT-HAND; Hole Type: DRILLED; Fastener Length: 1.453 INCHES NOMINAL IN; Hole Quantity: 1. 22 total characteristics are documented in the Federal Logistics Information System.

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