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5306-00-977-9332

Machine Bolt

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Official Item Classification

Name
Machine Bolt
(NSN) National Stock Number
5306-00-977-9332
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
01847
(FIIG) Federal Item Identification Guide
A003B0
Date
10/12/1966 (60 years ago)

3a thread class, crowned hexagon head style, 2.250 inches nominal fastener length, right-hand thread direction, 2.188 inches minimum and 2.219 inches maximum thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

2.188 inches minimum and 2.219 inches maximum

Fastener Length

2.250 inches nominal

Head Style

crowned hexagon

Head Height

0.141 inches nominal

Width Between Flats

0.438 inches nominal

Nominal Thread Diameter

0.250 inches

Grip Length

0.031 inches minimum and 0.062 inches maximum

Features Provided

finished head

Thread Quantity Per Inch

28

Minimum Tensile Strength

125000 pounds per square inch

Hardness Rating

26.0 rockwell c minimum and 32.0 rockwell c maximum overall

Special Features

slot in shank end

Material

steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140 overall

Material Document And Classification

mil-b-6812 mil spec all material responses overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,ty 2 cl 3 fed spec single treatment response overall

Thread Series Designator

unf

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0001847

Related Hardware Products

Part Number Description
NAS428K4-22 Machine Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-977-9332?
The FSCG of the NSN 5306-00-977-9332 is 5306
Does the NSN 5306-00-977-9332 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-977-9332 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 5306-00-977-9332 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-977-9332 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 5306-00-977-9332 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Oct 12, 1966