MS51105-439

View detailed technical data, stock status, and sourcing information for: MS51105-439
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-929-1645

Item Name Code

18257

Assigment Date

09/09/1966 (59 years ago)

right-hand thread direction, 1.500 inches minimum and 1.719 inches maximum thread length, 1.920 inches minimum and 2.000 inches maximum fastener length, 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: 1.500 inches minimum and 1.719 inches maximum
Fastener Length: 1.920 inches minimum and 2.000 inches maximum
Head Style: hexagon
Head Height: 0.378 inches minimum and 0.403 inches maximum
Width Between Flats: 0.922 inches minimum and 0.938 inches maximum
Shank Unthreaded Hole Diameter: 0.138 inches minimum and 0.146 inches maximum first hole
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 11
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 32.0 rockwell c maximum overall
Minimum Yield Strength: 85000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.802 inches minimum and 1.822 inches maximum first hole
Material: steel overall
Material Document And Classification: sae gr 5 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator: unc

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
MS51105-439	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-929-1645?

The FSCG of the NSN 5305-00-929-1645 is 5305

Does the NSN 5305-00-929-1645 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-929-1645 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 5305-00-929-1645 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-929-1645 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 5305-00-929-1645 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Sep 9, 1966