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Worldwide distributor of NSN parts and consumables located in the USA.

Square Neck Bolt

Model / MPN: ASME B18.5 | NSN: 5306-00-012-6662
ITAR Registered seal

A headed externally threaded fastener whose threaded portion is of one diameter, with a square neck directly beneath the head.

Product Details
NATO Stock Number
5306-00-012-6662
Sold in multiples of
BX
DEMIL
NO
Thread Class
2a
Thread Length
0.875 inches
Fastener Length
3.000 inches
Head Style
Button
Head Height
Between 0.156 inches and 0.176 inches
Neck Length
Between 0.156 inches and 0.187 inches
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
55000 pounds per square inch
Hardness Rating
95.0 rockwell b
Minimum Yield Strength
40000 pounds per square inch
Material
Steel
Surface Treatment
Zinc
Surface Treatment Specification
Astm b633 assn standard single treatment response
Thread Series Designator
Unc
ASME Series Parts

Pricing and Availability

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ASME B18.5 Cross Reference
  • NASM35751
  • MS35751-49