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5305-01-683-5490

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-683-5490
(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
09/26/2019 (7 years ago)

2.75 inches nominal fastener length, right-hand thread direction, 1.25 inches minimum and 1.62 inches maximum thread length, hexagon head style, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.25 inches minimum and 1.62 inches maximum

Fastener Length

2.75 inches nominal

Head Style

hexagon

Head Height

0.3125 inches nominal

Width Between Flats

0.75 inches nominal

Nominal Thread Diameter

0.50 inches

Thread Quantity Per Inch

13

Minimum Tensile Strength

70000 pounds per square inch

Hardness Rating

70.0 rockwell b nominal fastener

Part Name Assigned By Controlling Agency

cap screw

Material

steel comp 316 overall

Thread Series Designator

unc

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
92186A723 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-683-5490?
The FSCG of the NSN 5305-01-683-5490 is 5305
Does the NSN 5305-01-683-5490 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-683-5490 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 5305-01-683-5490 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-683-5490 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 5305-01-683-5490 was assigned to the Federal Catalog?
It was assigned 7 years ago, on Thu, Sep 26, 2019