PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Q1784Bolt,machine

Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ · NSN 5306-00-637-9344 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-637-9344 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-637-9344. Primary manufacturer part number: Q1784.
Features
  • Bolt,machine — FSC 5306
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL OVERALL
  • Thread Class: 2A A
  • Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Thread Length: 0.875 INCHES MINIMUM IN
  • Head Style: HEXAGON
  • Fastener Length: 2.000 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-637-9344, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-637-9344
Primary Part NumberQ1784
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Thread Class2A A
Width Between Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread Length0.875 INCHES MINIMUM IN
Head StyleHEXAGON
Fastener Length2.000 INCHES NOMINAL IN
Grip Length1.125 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Head Height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Thread Quantity Per Inch18
Nominal Thread Diameter0.312 INCHES IN
Hardness Rating23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5306-00-225-8504 (11228)
HAZMATNo
Verified Substitutes 3
5306-00-225-850411228 SUCCESSOR
Bolt,machine
Schwitzer Engine Components a Household Intl Co
5306-00-226-4833AEB02C312B00AW9A91 SUCCESSOR
Bolt,machine
The American Society of Mechanical Engineers
5330-01-052-9010RK11028B INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Parker-Hannifin Corporation Dba Racor Division Div Racor Division
Cross-Reference Index
Part NumberManufacturer
Q1784 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
11028A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
Q1784 Navistar Intl Corp Truck Br Ohio Plant (USA)
11028A Hercules Engine Co Inc (USA)
MS35295-40 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Q1784 Navistar International Corporation Dba Navistar (USA)
11028A Pierce Co Inc the Sub of Avis Industrial Corp (USA)
179826 CAGE 00000
Related Parts
SUCCESSOR 5306-00-225-8504 Bolt,machine · 11228
5306-00-226-4833SUCCESSOR
BOLT,MACHINE
AEB02C312B00AW9A91
5330-01-052-9010INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
RK11028B

Frequently Asked Questions

What is NSN 5306-00-637-9344?

NSN 5306-00-637-9344 is a Bolt,machine, manufactured by Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-637-9344?

NSN 5306-00-637-9344 has 8 cross-referenced part numbers: Q1784 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 11028A (Brinkley Technology Group Llc Dba Hercules Manufacturing), Q1784 (Navistar Intl Corp Truck Br Ohio Plant), 11028A (Hercules Engine Co Inc), MS35295-40 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5306-00-637-9344?

There are 3 known substitutes for 5306-00-637-9344: 5306-00-225-8504, 5306-00-226-4833, 5330-01-052-9010. Verify interchangeability with system specifications before substitution.

What are the specifications of Q1784?

Key specifications for Q1784: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: STEEL OVERALL; Thread Class: 2A A; Width Between Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 14 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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