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5305-01-035-8773

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-035-8773
(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
02/17/1977 (49 years ago)

3a thread class, right-hand thread direction, hexagon head style, 1.750 inches minimum thread length, 3.870 inches minimum and 3.930 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

1.750 inches minimum

Fastener Length

3.870 inches minimum and 3.930 inches maximum

Head Style

hexagon

Head Height

0.450 inches minimum and 0.480 inches maximum

Width Between Flats

0.968 inches minimum and 1.000 inches maximum

Nominal Thread Diameter

0.750 inches

Thread Quantity Per Inch

10

Hardness Rating

23.0 rockwell c minimum and 32.0 rockwell c maximum overall

Material

steel overall

Material Document And Classification

sae gr 5 assn std single material response overall

Thread Series Designator

unc

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
123830 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-035-8773?
The FSCG of the NSN 5305-01-035-8773 is 5305
Does the NSN 5305-01-035-8773 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-035-8773 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 5305-01-035-8773 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-035-8773 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 5305-01-035-8773 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Thu, Feb 17, 1977