505-3493-001

View detailed technical data, stock status, and sourcing information for: 505-3493-001
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-619-4718

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

0.750 inches nominal fastener length, 0.750 inches maximum thread length, right-hand thread direction, hexagon head style, 2a thread class

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.750 inches maximum
Fastener Length: 0.750 inches nominal
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 74000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum and 100.0 rockwell b maximum overall
Surface Finish: 125.0 microinches bearing surface of head
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: sae gr 2 assn std single material response overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec 1st treatment response or qq-z-325,ty 2,cl 2 fed spec 2nd treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type and 10p style and 2 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-012-2119	No Name Available	01/01/1963
5305-00-290-7160	No Name Available	01/01/1963
5305-00-637-4036	No Name Available	01/01/1963

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
20358S	Hexagon Head Cap Screw
505-3493-001	Hexagon Head Cap Screw
5305006194718	Hexagon Head Cap Screw
G43S4726	Hexagon Head Cap Screw
T10106-1	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-619-4718?

The FSCG of the NSN 5305-00-619-4718 is 5305

Does the NSN 5305-00-619-4718 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-619-4718 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 5305-00-619-4718 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-619-4718 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 5305-00-619-4718 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963