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5305-01-189-7400

Externally Relieved Body Screw

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Official Item Classification

Name
Externally Relieved Body Screw
(NSN) National Stock Number
5305-01-189-7400
(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
09/20/1984 (42 years ago)

right-hand thread direction, 0.580 inches nominal fastener length, flat countersunk undercut head style, 2a thread class, 0.150 inches nominal thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.150 inches nominal

Fastener Length

0.580 inches nominal

Head Style

flat countersunk undercut

Head Diameter

0.332 inches maximum

Head Height

0.072 inches nominal

First Diameter From Head

0.120 inches nominal

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

0.358 inches nominal

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.164 inches

Thread Quantity Per Inch

32

Minimum Tensile Strength

80000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Externally Relieved Body Diameter Quantity

1

Special Features

color black

Material

steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall

Material Document And Classification

66 fed std all material responses overall

Surface Treatment

oxide overall

Surface Treatment Document And Classification

mil-c-13924,class 2 mil spec single treatment response overall

Thread Series Designator

unc

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

0001852

Related Hardware Products

Part Number Description
136549-2 Externally Relieved Body Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-189-7400?
The FSCG of the NSN 5305-01-189-7400 is 5305
Does the NSN 5305-01-189-7400 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-189-7400 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 5305-01-189-7400 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-189-7400 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 5305-01-189-7400 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Thu, Sep 20, 1984