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5306-00-159-5578

Square Neck Bolt

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Official Item Classification

Name
Square Neck Bolt
(NSN) National Stock Number
5306-00-159-5578
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
15939
(FIIG) Federal Item Identification Guide
A003B0
Date
09/26/1971 (55 years ago)

button head style, 2a thread class, 1.250 inches minimum thread length, 1.438 inches minimum and 1.562 inches maximum fastener length, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.250 inches minimum

Fastener Length

1.438 inches minimum and 1.562 inches maximum

Head Style

button

Head Diameter

1.032 inches minimum and 1.094 inches maximum

Head Height

0.250 inches minimum and 0.270 inches maximum

Neck Length

0.250 inches minimum and 0.281 inches maximum

Nominal Thread Diameter

0.500 inches

Thread Quantity Per Inch

13

Minimum Tensile Strength

55000 pounds per square inch

Hardness Rating

95.0 rockwell b maximum overall

Neck Width

0.492 inches minimum and 0.515 inches maximum

Material

steel overall

Material Document And Classification

sae gr 1 assn std single material response overall

Surface Treatment

cadmium or zinc overall

Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec 1st treatment response or qq-z-325,ty 2,cl 3 fed spec 2nd treatment response overall

Thread Series Designator

unc

Nondefinitive Spec/Std Data

1 type or a style or 1 class

Replacement For

Part Number Description
5306-00-248-8675 No Name Available 04/01/1989

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0015939

Related Hardware Products

Part Number Description
5306001595578 Square Neck Bolt
MS35751-125 Square Neck Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-159-5578?
The FSCG of the NSN 5306-00-159-5578 is 5306
Does the NSN 5306-00-159-5578 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-159-5578 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5306-00-159-5578 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-00-159-5578 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5306-00-159-5578 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Sun, Sep 26, 1971