PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

172526-H1Bolt,u

Komatsu America Corp. · NSN 5306-00-144-0358 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-144-0358 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-144-0358. Primary manufacturer part number: 172526-H1.
Features
  • Bolt,u — FSC 5306
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Material: STEEL OVERALL
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Distance From Inside Center of Bend to Bolt End: 2.125 INCHES NOMINAL IN
  • Style Designator: ROUND BEND
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,u, cataloged under National Stock Number 5306-00-144-0358, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Komatsu America Corp.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-144-0358
Primary Part Number172526-H1
Item NameBolt,u
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerKomatsu America Corp.
StatusACTIVE
Nominal Thread Diameter0.312 INCHES IN
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Distance From Inside Center of Bend to Bolt End2.125 INCHES NOMINAL IN
Style DesignatorROUND BEND
Thread Class2A A
Inside Distance Between Shanks1.000 INCHES NOMINAL IN
Thread Quantity Per Inch18
Thread Length1.250 INCHES MINIMUM IN
Material Document and Classification019 FSCM 29510 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-00-050-1588 (MS9379-05)
HAZMATNo
Verified Substitutes 1
5340-00-050-1588MS9379-05 SUCCESSOR
Plug,expansion
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
172526-H1 Komatsu America Corp. (USA)
172526 Navistar Intl Corp Truck Br Ohio Plant (USA)
172526 Komatsu American Intl Co (USA)
172526-H1 Komatsu American Intl Co (USA)
Related Parts
SUCCESSOR 5340-00-050-1588 Plug,expansion · MS9379-05

Frequently Asked Questions

What is NSN 5306-00-144-0358?

NSN 5306-00-144-0358 is a Bolt,u, manufactured by Komatsu America Corp., classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-144-0358?

NSN 5306-00-144-0358 has 4 cross-referenced part numbers: 172526-H1 (Komatsu America Corp.), 172526 (Navistar Intl Corp Truck Br Ohio Plant), 172526 (Komatsu American Intl Co), 172526-H1 (Komatsu American Intl Co).

What NSN replaces 5306-00-144-0358?

There is 1 known substitute for 5306-00-144-0358: 5340-00-050-1588. Verify interchangeability with system specifications before substitution.

What are the specifications of 172526-H1?

Key specifications for 172526-H1: Nominal Thread Diameter: 0.312 INCHES IN; Material: STEEL OVERALL; Thread Direction: RIGHT-HAND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 11 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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