PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASME B18.5Bolt,square Neck

The American Society of Mechanical Engineers · NSN 5306-01-664-6728 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-664-6728 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-664-6728. Primary manufacturer part number: ASME B18.5.
Features
  • Bolt,square Neck — FSC 5306
  • 3 verified cross-references
  • Primary manufacturer: The American Society of Mechanical Engineers
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Bolt,square Neck, cataloged under National Stock Number 5306-01-664-6728, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The American Society of Mechanical Engineers. This item has 3 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
NSN5306-01-664-6728
Primary Part NumberASME B18.5
Item NameBolt,square Neck
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5306-00-078-9696240144 SUCCESSOR
Bolt,square Neck
Hillman Group, Inc., the
Cross-Reference Index
Part NumberManufacturer
ASME B18.5 The American Society of Mechanical Engineers (USA)
MS35751-69 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35751-69 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5306-00-078-9696SUCCESSOR
BOLT,SQUARE NECK
240144

Frequently Asked Questions

What is NSN 5306-01-664-6728?

NSN 5306-01-664-6728 is a Bolt,square Neck, manufactured by The American Society of Mechanical Engineers, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-664-6728?

NSN 5306-01-664-6728 has 3 cross-referenced part numbers: ASME B18.5 (The American Society of Mechanical Engineers), MS35751-69 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35751-69 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5306-01-664-6728?

There is 1 known substitute for 5306-01-664-6728: 5306-00-078-9696. Verify interchangeability with system specifications before substitution.

What are the specifications of ASME B18.5?

Key specifications for ASME B18.5: End Item Identification: 2355-016169288. 1 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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