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5305-01-467-3221

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-467-3221
(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
08/25/1999 (27 years ago)

2a thread class, 1.188 inches minimum and 1.250 inches maximum fastener length, 0.990 inches minimum and 1.000 inches maximum thread length, hexagon head style, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.990 inches minimum and 1.000 inches maximum

Fastener Length

1.188 inches minimum and 1.250 inches maximum

Head Style

hexagon

Head Height

0.150 inches minimum and 0.163 inches maximum

Width Between Flats

0.428 inches minimum and 0.438 inches maximum

Shank Unthreaded Hole Diameter

0.076 inches nominal first hole

End Item Identification

multiple launch rocket system (mlrs)

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Minimum Tensile Strength

70000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

0.797 inches nominal first hole

Material

steel corrosion resisting overall

Surface Treatment

passivate 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
MS51110-9 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-467-3221?
The FSCG of the NSN 5305-01-467-3221 is 5305
Does the NSN 5305-01-467-3221 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-467-3221 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 5305-01-467-3221 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-467-3221 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 5305-01-467-3221 was assigned to the Federal Catalog?
It was assigned 27 years ago, on Wed, Aug 25, 1999