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

Square Neck Bolt

Model / MPN: 126657 | NSN: 5306-00-012-6657
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
5306-00-012-6657
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.875 inches
Fastener Length
2.750 inches
Head Style
Button
Head Diameter
0.688 inches
Head Height
0.156 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
Neck Width
Between 0.307 inches and 0.324 inches
Material
Steel
Surface Treatment
Cadmium or zinc
Thread Series Designator
Unc
12665 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E415TA809 Bolt, Square Neck 20 EA 06/22/2015
SPE5E417TF046 Bolt, Square Neck 100 EA 09/07/2017
SPE5E417TG308 Bolt, Square Neck 2 EA 10/02/2017
SPE5E418T1570 Bolt, Square Neck 910 EA 11/13/2017
SPE5E418T3113 Bolt, Square Neck 2 EA 12/11/2017
SPE5E418T182X Bolt, Square Neck 910 EA 08/06/2018
SPE5E419T0744 Bolt, Square Neck 261 EA 10/24/2018
SPE5E419T068X Bolt, Square Neck 149 EA 06/27/2019
SPE5E420T0978 Bolt, Square Neck 100 EA 11/01/2019

Pricing and Availability

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126657 Cross Reference