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5305-01-616-8044

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-616-8044
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
18257
(FIIG) Federal Item Identification Guide
A003B0
Date
02/28/2013 (13 years ago)

0.72 inches minimum and 0.75 inches maximum thread length, 0.915 inches minimum and 0.961 inches maximum fastener length, undercut hexagon head style, right-hand thread direction, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.72 inches minimum and 0.75 inches maximum

Fastener Length

0.915 inches minimum and 0.961 inches maximum

Head Style

undercut hexagon

Head Height

0.203 inches nominal

Width Between Flats

0.4945 inches nominal

Head Major Diameter

0.577 inches maximum

Nominal Thread Diameter

0.3125 inches

Thread Quantity Per Inch

24

Chamfer Angle

150.0 degrees minimum and 30.0 degrees maximum

Material

steel corrosion resisting 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

0018257

Related Hardware Products

Part Number Description
70091 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-616-8044?
The FSCG of the NSN 5305-01-616-8044 is 5305
Does the NSN 5305-01-616-8044 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-616-8044 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 5305-01-616-8044 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-616-8044 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 5305-01-616-8044 was assigned to the Federal Catalog?
It was assigned 13 years ago, on Thu, Feb 28, 2013