PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

302579Bolt,internal Wrenching

Brp Us Inc · NSN 5306-00-206-1372 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-206-1372 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-206-1372. Primary manufacturer part number: 302579.
Features
  • Bolt,internal Wrenching — FSC 5306
  • Head Diameter: 0.553 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Length: 1.250 INCHES MINIMUM IN
  • Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL COMP 4140 OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-206-1372, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brp Us Inc. Government technical data includes 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-206-1372
Primary Part Number302579
Item NameBolt,internal Wrenching
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerBrp Us Inc
StatusACTIVE
Head Diameter0.553 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Length1.250 INCHES MINIMUM IN
Hardness Rating38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL COMP 4140 OVERALL
Surface TreatmentCADMIUM OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Head Height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Minimum Tensile Strength170000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleHEXAGON
Width Across Flats0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Thread Class2A A
Fastener Length2.000 INCHES NOMINAL IN
Thread Quantity Per Inch16
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-155-6716120-9 BRG INTERCHANGEABLE
Bearing,ball,annular
Manitowoc Engineering Co Division of the Manitowoc Co Inc
1560-01-439-923530-2579 INTERCHANGEABLE
Fitting,structural Component,air
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
302579 PRIMARY Brp Us Inc (USA)
302579 Outboard Marine Corp Johnson Motors Div (USA)
Related Parts
3110-00-155-6716INTERCHANGEABLE
BEARING,BALL,ANNULAR
120-9 BRG
1560-01-439-9235INTERCHANGEABLE
FITTING,STRUCTURAL COMPONENT,AIR
30-2579

Frequently Asked Questions

What is NSN 5306-00-206-1372?

NSN 5306-00-206-1372 is a Bolt,internal Wrenching, manufactured by Brp Us Inc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-206-1372?

NSN 5306-00-206-1372 has 2 cross-referenced part numbers: 302579 (Brp Us Inc), 302579 (Outboard Marine Corp Johnson Motors Div).

What NSN replaces 5306-00-206-1372?

There are 2 known substitutes for 5306-00-206-1372: 3110-00-155-6716, 1560-01-439-9235. Verify interchangeability with system specifications before substitution.

What are the specifications of 302579?

Key specifications for 302579: Head Diameter: 0.553 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Thread Length: 1.250 INCHES MINIMUM IN; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL. 16 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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