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MS21095-2001 Machine Bolt

5306-00-205-3179

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Official Item Classification

Name
Machine Bolt
Part Number
MS21095-2001
(NSN) National Stock Number
5306-00-205-3179
(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
04/08/1973 (53 years ago)

0.453 inches minimum and 0.499 inches maximum fastener length, 3a thread class, hexagon head style, right-hand thread direction, 0.381 inches minimum and 0.447 inches maximum thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.381 inches minimum and 0.447 inches maximum

Fastener Length

0.453 inches minimum and 0.499 inches maximum

Head Style

hexagon

Head Height

0.106 inches minimum and 0.118 inches maximum

Width Between Flats

0.305 inches minimum and 0.313 inches maximum

Nominal Thread Diameter

0.164 inches

Grip Length

0.052 inches minimum and 0.072 inches maximum

Features Provided

finished head

Thread Quantity Per Inch

32

Minimum Tensile Strength

125000 pounds per square inch

Hardness Rating

26.0 rockwell c minimum and 32.0 rockwell c maximum overall

Material

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

Material Document And Classification

mil-s-5626 mil spec 1st material response or -8l-s-6049 mil spec 2nd material response or mil-s-6050 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6758 mil spec 5th material response or ams6300 assn std 6th material response overall

Surface Treatment

passivate overall

Thread Series Designator

unf

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

0001847

Related Hardware Products

Part Number Description
LK21095-2001 Machine Bolt
MS21095-2001 Machine Bolt
NASM21095-2001 Machine Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-205-3179?
The FSCG of the NSN 5306-00-205-3179 is 5306
Does the NSN 5306-00-205-3179 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-205-3179 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 5306-00-205-3179 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-00-205-3179 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 5306-00-205-3179 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sun, Apr 8, 1973