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5305-00-522-2437

Externally Relieved Body Screw

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Official Item Classification

Name
Externally Relieved Body Screw
(NSN) National Stock Number
5305-00-522-2437
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
01852
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

0.750 inches nominal fastener length, pan no. 2 head style, 2a thread class, right-hand thread direction, 0.328 inches minimum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.328 inches minimum

Fastener Length

0.750 inches nominal

Head Style

pan no. 2

Head Diameter

0.563 inches nominal

Head Height

0.125 inches nominal

Shank Unthreaded Hole Diameter

0.078 inches nominal first hole

First Diameter From Head

0.313 inches nominal

Second Diameter From Head

0.375 inches nominal

Third Diameter From Head

0.281 inches nominal

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.063 inches nominal

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

0.359 inches nominal

Distance From Largest Bearing Surface Of Head To End Of Third Diameter

0.750 inches nominal

Internal Drive Style

slot

Nominal Thread Diameter

0.375 inches

Thread Quantity Per Inch

24

Hardness Rating

152.0 brinell standard minimum and 219.0 brinell standard maximum overall

Distance From Head Largest Bearing Surface To Shank Hole Center

0.594 inches nominal first hole

Externally Relieved Body Diameter Quantity

3

Material

steel overall

Surface Treatment

phosphate overall

Thread Series Designator

unf

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0001852

Related Hardware Products

Part Number Description
342662 Externally Relieved Body Screw
5222437 Externally Relieved Body Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-522-2437?
The FSCG of the NSN 5305-00-522-2437 is 5305
Does the NSN 5305-00-522-2437 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-522-2437 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 5305-00-522-2437 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-522-2437 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 5305-00-522-2437 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963