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MS9111-20 Machine Bolt

5306-00-151-5708

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Official Item Classification

Name
Machine Bolt
Part Number
MS9111-20
(NSN) National Stock Number
5306-00-151-5708
(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
03/01/1971 (55 years ago)

1.875 inches nominal fastener length, double hexagon w/hole head style, 0.544 inches minimum and 0.625 inches maximum thread length, 3a thread class, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.544 inches minimum and 0.625 inches maximum

Fastener Length

1.875 inches nominal

Head Style

double hexagon w/hole

Head Height

0.330 inches nominal

Width Between Flats

0.305 inches minimum and 0.313 inches maximum

Extended Washer Diameter

0.438 inches nominal

Extended Washer Thickness

0.060 inches minimum and 0.070 inches maximum

Nominal Thread Diameter

0.250 inches

Grip Length

1.250 inches nominal

Features Provided

finished head

Thread Quantity Per Inch

28

Minimum Tensile Strength

130000 pounds per square inch

Hardness Rating

248.0 brinell standard minimum and 341.0 brinell standard maximum overall

Minimum Yield Strength

85000 pounds per square inch

Surface Finish

32.0 microinches bearing surface of head

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Material

iron alloy 660 overall

Material Document And Classification

ams 5731 assn std single material response overall

Thread Series Designator

unjf

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.

Pseudo Item Name Code

0001847

Related Hardware Products

Part Number Description
MS9111-20 Machine Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-151-5708?
The FSCG of the NSN 5306-00-151-5708 is 5306
Does the NSN 5306-00-151-5708 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-151-5708 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 5306-00-151-5708 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-151-5708 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 5306-00-151-5708 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Mon, Mar 1, 1971