MS51105-61

View detailed technical data, stock status, and sourcing information for: MS51105-61
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-910-8146

Item Name Code

18257

Assigment Date

06/29/1966 (60 years ago)

2a thread class, 1.000 inches minimum and 1.188 inches maximum thread length, hexagon head style, 1.210 inches minimum and 1.250 inches maximum fastener 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: 2a
Thread Direction: right-hand
Thread Length: 1.000 inches minimum and 1.188 inches maximum
Fastener Length: 1.210 inches minimum and 1.250 inches maximum
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
Shank Unthreaded Hole Diameter: 0.105 inches minimum and 0.113 inches maximum first hole
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
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: 1.084 inches minimum and 1.104 inches maximum first hole
Material: steel overall
Material Document And Classification: sae gr 5 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-879-6029	No Name Available	08/17/1970
5305-00-902-6580	No Name Available	07/12/1968

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
5305009108146	Hexagon Head Cap Screw
MS51105-361	Hexagon Head Cap Screw
MS51105-61	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-910-8146?

The FSCG of the NSN 5305-00-910-8146 is 5305

Does the NSN 5305-00-910-8146 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-910-8146 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 5305-00-910-8146 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-910-8146 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 5305-00-910-8146 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jun 29, 1966