PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60-1073 PIECE 456Bolt,machine

Hardie-Tynes Co., Inc. · NSN 5306-00-660-3341 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-660-3341 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-660-3341. Primary manufacturer part number: 60-1073 PIECE 456.
Features
  • Bolt,machine — FSC 5306
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: HEXAGON
  • Fastener Length: 3.250 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Material Document and Classification: QQ-C-591,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Length: 1.250 INCHES MINIMUM IN
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 655 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-660-3341, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hardie-Tynes Co., Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-660-3341
Primary Part Number60-1073 PIECE 456
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerHardie-Tynes Co., Inc.
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleHEXAGON
Fastener Length3.250 INCHES NOMINAL IN
Nominal Thread Diameter0.500 INCHES IN
Material Document and ClassificationQQ-C-591,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Length1.250 INCHES MINIMUM IN
Thread Class2A A
Thread Quantity Per Inch13
Head Height0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
Nondefinitive Spec/std Data2 TYPE
Width Between Flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MaterialCOPPER ALLOY 655 OVERALL
Features ProvidedUNFINISHED HEAD
Grip Length2.000 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5306-00-660-3299 INTERCHANGEABLE
Bolt,machine
5306-00-660-3317 INTERCHANGEABLE
Bolt,machine
5306-00-660-3318 INTERCHANGEABLE
Bolt,machine
5306-00-660-3335 INTERCHANGEABLE
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
60-1073 PIECE 456 Hardie-Tynes Co., Inc. (USA)
FFB575TYPE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
645-965 Hardie-Tynes Co., Inc. (USA)
Related Parts
5306-00-660-3299INTERCHANGEABLE
BOLT,MACHINE
5306-00-660-3317INTERCHANGEABLE
BOLT,MACHINE
5306-00-660-3318INTERCHANGEABLE
BOLT,MACHINE
5306-00-660-3335INTERCHANGEABLE
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-660-3341?

NSN 5306-00-660-3341 is a Bolt,machine, manufactured by Hardie-Tynes Co., Inc., classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-660-3341?

NSN 5306-00-660-3341 has 3 cross-referenced part numbers: 60-1073 PIECE 456 (Hardie-Tynes Co., Inc.), FFB575TYPE2 (Federal Specifications Promulgated by General Services Administration Washington DC), 645-965 (Hardie-Tynes Co., Inc.).

What NSN replaces 5306-00-660-3341?

There are 4 known substitutes for 5306-00-660-3341: 5306-00-660-3299, 5306-00-660-3317, 5306-00-660-3318 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 60-1073 PIECE 456?

Key specifications for 60-1073 PIECE 456: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Style: HEXAGON; Fastener Length: 3.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN. 15 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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