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1C720C Hexagon Head Cap Screw

5305-01-024-2449

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Official Item Classification

Name
Hexagon Head Cap Screw
Part Number
1C720C
(NSN) National Stock Number
5305-01-024-2449
(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
07/07/1976 (50 years ago)

1.190 inches minimum and 1.250 inches maximum fastener length, 2a thread class, 1.125 inches minimum thread length, hexagon head style, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.125 inches minimum

Fastener Length

1.190 inches minimum and 1.250 inches maximum

Head Style

hexagon

Head Height

0.272 inches minimum and 0.291 inches maximum

Width Between Flats

0.612 inches minimum and 0.625 inches maximum

Nominal Thread Diameter

0.438 inches

Thread Quantity Per Inch

14

Minimum Tensile Strength

120000 pounds per square inch

Hardness Rating

25.0 rockwell c minimum and 34.0 rockwell c maximum overall

Minimum Yield Strength

92000 pounds per square inch

Material

steel overall

Surface Treatment

cadmium overall

Thread Series Designator

uns

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.

Source of Supply Code

SMS

Pseudo Item Name Code

0018257

Related Hardware Products

Part Number Description
1C720C Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-024-2449?
The FSCG of the NSN 5305-01-024-2449 is 5305
Does the NSN 5305-01-024-2449 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-024-2449 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 5305-01-024-2449 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-024-2449 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 5305-01-024-2449 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Wed, Jul 7, 1976