5305-00-459-4690

Find complete technical information, availability, and procurement data for: 5305-00-459-4690
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-459-4690

Item Name Code

18257

Assigment Date

08/19/1970 (55 years ago)

1.891 inches minimum and 1.937 inches maximum fastener length, hexagon head style, 3a thread class, 0.506 inches minimum and 0.572 inches maximum thread length, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.506 inches minimum and 0.572 inches maximum
Fastener Length: 1.891 inches minimum and 1.937 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.204 inches maximum
Width Between Flats: 0.490 inches minimum and 0.502 inches maximum
Nominal Thread Diameter: 0.312 inches
Features Provided: finished head
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Material: steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall
Material Document And Classification: mil-s5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-6050 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6758 mil spec 5th material response or ams6300 assn std 6th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator: unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
LK21094-5022	Hexagon Head Cap Screw
MS21094-5022	Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-459-4690?

The FSCG of the NSN 5305-00-459-4690 is 5305

Does the NSN 5305-00-459-4690 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-459-4690 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 5305-00-459-4690 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-459-4690 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 5305-00-459-4690 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Aug 19, 1970