MS9557-33

View detailed technical data, stock status, and sourcing information for: MS9557-33
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-624-5887

Item Name Code

01847

Assigment Date

01/08/2014 (12 years ago)

Two or more sizes and/or types of o-rings packaged or grouped for issue as a unit for complete replacement. See also o-ring assortment. Excludes:gasket set.

0.750 inches minimum and 0.810 inches maximum thread length, right-hand thread direction, 3a thread class, 2.625 inches nominal fastener length, double hexagon w/hole head style

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: 0.750 inches minimum and 0.810 inches maximum
Fastener Length: 2.625 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.300 inches nominal
Width Between Flats: 0.312 inches nominal
Extended Washer Diameter: 0.438 inches nominal
Extended Washer Thickness: 0.060 inches minimum
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.815 inches minimum and 1.875 inches maximum
Features Provided: finished head
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 130000 pounds per square inch
Hardness Rating: 24.0 rockwell c minimum and 35.0 rockwell c maximum overall
Minimum Yield Strength: 85000 pounds per square inch
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response overall
Thread Series Designator: unjf

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
MS9557-33	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-624-5887?

The FSCG of the NSN 5306-01-624-5887 is 5306

Does the NSN 5306-01-624-5887 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-624-5887 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 5306-01-624-5887 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-624-5887 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 5306-01-624-5887 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Wed, Jan 8, 2014