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5305-00-059-2955

Hexagon Head Cap Screw

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Plain Seal
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Swivel Caster
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Rigid Caster
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Cap Plain Nut
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Flat Washer
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Retaining Ring

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-059-2955
(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
01/01/1963 (63 years ago)

right-hand thread direction, 2a thread class, hexagon head style, 1.094 inches minimum and 1.156 inches maximum fastener length, 0.969 inches minimum and 1.031 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.969 inches minimum and 1.031 inches maximum

Fastener Length

1.094 inches minimum and 1.156 inches maximum

Head Style

hexagon

Head Height

0.281 inches minimum and 0.291 inches maximum

Width Between Flats

0.612 inches minimum and 0.625 inches maximum

Locking Feature

distortions bearing surface of head

Nominal Thread Diameter

0.438 inches

Features Provided

unfinished head

Thread Quantity Per Inch

20

Minimum Tensile Strength

150000 pounds per square inch

Hardness Rating

302.0 brinell standard minimum and 351.0 brinell standard maximum overall

Minimum Yield Strength

130000 pounds per square inch

Material

steel overall

Surface Treatment

cadmium or zinc overall

Surface Treatment Document And Classification

qq-p-416,ty 1 cl 2 fed spec 1st treatment response or qq-z-325,ty 1 cl2 fed spec 2nd treatment response overall

Thread Series Designator

unf

Replacement For

Part Number Description
5306-00-022-1967 No Name Available 09/03/1998
5306-00-022-2049 No Name Available 02/01/1982
5306-00-042-9013 No Name Available 12/01/1992
5306-00-433-3620 No Name Available 12/01/1988

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
MS35764-1050 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-059-2955?
The FSCG of the NSN 5305-00-059-2955 is 5305
Does the NSN 5305-00-059-2955 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-059-2955 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 5305-00-059-2955 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-059-2955 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 5305-00-059-2955 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963