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5305-01-293-8768

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-293-8768
(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
02/08/1989 (37 years ago)

hexagon head style, 2.400 inches minimum and 2.500 inches maximum fastener length, 2.250 inches nominal thread length, 2a thread class, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

2.250 inches nominal

Fastener Length

2.400 inches minimum and 2.500 inches maximum

Head Style

hexagon

Head Height

0.591 inches minimum and 0.627 inches maximum

Width Between Flats

1.469 inches minimum and 1.500 inches maximum

Nominal Thread Diameter

1.000 inches

Thread Quantity Per Inch

8

Minimum Tensile Strength

150000 pounds per square inch

Hardness Rating

32.0 rockwell c minimum and 38.0 rockwell c maximum overall

Minimum Yield Strength

120000 pounds per square inch

Part Name Assigned By Controlling Agency

navy special project

Material

steel overall

Material Document And Classification

66 fed std single material response overall

Thread Series Designator

unc

Nondefinitive Spec/Std Data

1 type and 8 grade

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
1-8 UNC 2AX2 1/2 LG GR 8 Hexagon Head Cap Screw
1-8 UNC-28X2 1/2 LG GR 8 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-293-8768?
The FSCG of the NSN 5305-01-293-8768 is 5305
Does the NSN 5305-01-293-8768 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-293-8768 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 5305-01-293-8768 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-293-8768 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 5305-01-293-8768 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Wed, Feb 8, 1989