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MB159-4-17 Shoulder Bolt

5306-01-142-0301

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Official Item Classification

Name
Shoulder Bolt
Part Number
MB159-4-17
(NSN) National Stock Number
5306-01-142-0301
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
04905
(FIIG) Federal Item Identification Guide
A003B0
Date
11/09/1982 (43 years ago)

0.371 inches minimum and 0.438 inches maximum thread length, 3a thread class, right-hand thread direction, 1.443 inches minimum and 1.490 inches maximum fastener length, spline drive shear head head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.371 inches minimum and 0.438 inches maximum

Fastener Length

1.443 inches minimum and 1.490 inches maximum

Head Style

spline drive shear head

Head Height

0.154 inches minimum and 0.174 inches maximum

Shoulder Diameter

0.2646 inches minimum and 0.2651 inches maximum first shoulder

Shoulder Length

1.052 inches minimum and 1.072 inches maximum first shoulder

Head Minor Diameter

0.448 inches minimum and 0.455 inches maximum

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Shoulder Shape

round first shoulder

Material

steel comp xm-13 overall

Material Document And Classification

ams5629 assn std single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unjf

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

0004905

Related Hardware Products

Part Number Description
122914-4-17 Shoulder Bolt
MB159-4-17 Shoulder Bolt
PBF1269-4-17 Shoulder Bolt
ST3M837-4-17 Shoulder Bolt
VS3191-4-17X Shoulder Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-01-142-0301?
The FSCG of the NSN 5306-01-142-0301 is 5306
Does the NSN 5306-01-142-0301 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-142-0301 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 5306-01-142-0301 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-01-142-0301 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 5306-01-142-0301 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Tue, Nov 9, 1982