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MS21250H06004 Shear Bolt

5306-00-990-6917

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Official Item Classification

Name
Shear Bolt
Part Number
MS21250H06004
(NSN) National Stock Number
5306-00-990-6917
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5306 Bolts
(INC) Item Name Code
15903
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

3a thread class, 0.895 inches nominal fastener length, 0.625 inches minimum thread length, double hexagon w/hole head style, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.625 inches minimum

Fastener Length

0.895 inches nominal

Head Style

double hexagon w/hole

Head Height

0.388 inches nominal

Width Between Flats

0.430 inches minimum and 0.439 inches maximum

Extended Washer Diameter

0.639 inches minimum and 0.649 inches maximum

Extended Washer Thickness

0.091 inches nominal

Hole Diameter

0.055 inches nominal

Grip Diameter

0.3735 inches minimum and 0.3745 inches maximum

Nominal Thread Diameter

0.375 inches

Grip Length

0.240 inches minimum and 0.260 inches maximum

Hole Quantity

4

Hole Type

drilled

Thread Quantity Per Inch

24

Minimum Tensile Strength

180000 pounds per square inch

Hardness Rating

39.0 rockwell c minimum and 43.0 rockwell c maximum overall

Hole Configuration Style

double hexagon longitudinal hole

Material

steel comp e4340 or steel comp 8740 or steel comp 6150 or steel comp 4140 overall

Material Document And Classification

mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-5626 mil spec 4th material response overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416 ty2,class 3 fed spec single treatment response 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

0015903

Related Hardware Products

Part Number Description
5305009906917 Shear Bolt
721009667100 Shear Bolt
MS21250H06004 Shear Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-990-6917?
The FSCG of the NSN 5306-00-990-6917 is 5306
Does the NSN 5306-00-990-6917 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-990-6917 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 5306-00-990-6917 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-00-990-6917 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 5306-00-990-6917 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963