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5305-01-449-8820

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-449-8820
(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
10/18/1997 (29 years ago)

hexagon head style, right-hand thread direction, 2a thread class, 1.460 inches minimum and 1.500 inches maximum fastener length, 1.000 inches minimum and 1.312 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.000 inches minimum and 1.312 inches maximum

Fastener Length

1.460 inches minimum and 1.500 inches maximum

Head Style

hexagon

Head Height

0.226 inches minimum and 0.243 inches maximum

Width Between Flats

0.551 inches minimum and 0.562 inches maximum

Hole Diameter

0.050 inches nominal

Nominal Thread Diameter

0.375 inches

Hole Quantity

1

Hole Type

drilled

Thread Quantity Per Inch

16

Minimum Tensile Strength

130000 pounds per square inch

Hardness Rating

24.0 rockwell c minimum and 35.0 rockwell c maximum overall

Hole Configuration Style

hexagon flats

Material

nickel alloy k-500 or nickel alloy 502 overall

Material Document And Classification

qq-n-286 fed spec single material 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

0018257

Related Hardware Products

Part Number Description
211067274 Hexagon Head Cap Screw
512-6404649 FIND 4 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-449-8820?
The FSCG of the NSN 5305-01-449-8820 is 5305
Does the NSN 5305-01-449-8820 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5305-01-449-8820 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 5305-01-449-8820 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-449-8820 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 5305-01-449-8820 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Sat, Oct 18, 1997