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FFB571TYPEB2 Machine Bolt

5306-00-141-2929

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Official Item Classification

Name
Machine Bolt
Part Number
FFB571TYPEB2
(NSN) National Stock Number
5306-00-141-2929
(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
01/01/1963 (63 years ago)

0.500 inches maximum thread length, 0.500 inches nominal fastener length, hexagon head style, right-hand thread direction, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.500 inches maximum

Fastener Length

0.500 inches nominal

Head Style

hexagon

Head Height

0.140 inches minimum and 0.172 inches maximum

Width Between Flats

0.363 inches minimum and 0.375 inches maximum

Nominal Thread Diameter

0.250 inches

Features Provided

finished head

Thread Quantity Per Inch

20

Minimum Tensile Strength

68000 pounds per square inch

Material

steel overall

Material Document And Classification

ff-b-571 fed spec single material response overall

Surface Treatment

dichromate zinc overall

Thread Series Designator

unc

Nondefinitive Spec/Std Data

b2 type

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
92775 Machine Bolt
FFB571TYPEB2 Machine Bolt

Frequently Asked Questions

What is the FSCG of the NSN 5306-00-141-2929?
The FSCG of the NSN 5306-00-141-2929 is 5306
Does the NSN 5306-00-141-2929 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-141-2929 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 5306-00-141-2929 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-141-2929 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 5306-00-141-2929 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963