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5305-00-006-2406

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-006-2406
(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
06/23/1972 (54 years ago)

steel material, Minimum Tensile Strength: 120000 pounds per square inch

Specs & Compatibility

Thread Series Designator

Unc

Surface Treatment Document and Classification

Qq-p-416,ty 2,cl 3 fed spec single treatment response

Surface Treatment

Cadmium and chromate

Thread Class

2a

Thread Direction

Right-hand

Fastener Length

0.594 inches to 0.625 inches

Head Style

Hexagon

Head Height

0.15 inches to 0.163 inches

Thread Length

up to 0.625 inches

Width Between Flats

0.428 inches to 0.438 inches

Nominal Thread Diameter

0.25 inches

Shank Unthreaded Hole Diameter

0.074 inches first hole to 0.082 inches first hole

Thread Quantity Per Inch

20

Tensile Strength

at least 120000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

0.475 inches first hole to 0.526 inches first hole

Hardness Rating

25 rockwell c to 34 rockwell c

Material

Steel

Surface Finish

63 microinches threads

Material Document and Classification

Sae gr 5 assn std single material response

Nondefinitive Spec/std Data

2 type and 10p style

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.

Pseudo Item Name Code

0018257

Related Hardware Products

Part Number Description
3176210-A-002 Hexagon Head Cap Screw
3176210-A0002 Hexagon Head Cap Screw
91247A938 Hexagon Head Cap Screw
MS51105-305 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-006-2406?
The FSCG of the NSN 5305-00-006-2406 is 5305
Does the NSN 5305-00-006-2406 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-006-2406 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 5305-00-006-2406 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-006-2406 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 5305-00-006-2406 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Jun 23, 1972