5305-00-993-3553

Find complete technical information, availability, and procurement data for: 5305-00-993-3553
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-993-3553

Item Name Code

18257

Assigment Date

01/01/1960 (66 years ago)

1.125 inches minimum and 1.312 inches maximum thread length, 2a thread class, hexagon head style, 1.440 inches minimum and 1.500 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: 1.125 inches minimum and 1.312 inches maximum
Fastener Length: 1.440 inches minimum and 1.500 inches maximum
Head Style: hexagon
Head Height: 0.272 inches minimum and 0.291 inches maximum
Width Between Flats: 0.612 inches minimum and 0.625 inches maximum
Hole Diameter: 0.062 inches nominal
Nominal Thread Diameter: 0.438 inches
Hole Quantity: 1
Hole Type: drilled
Thread Quantity Per Inch: 14
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
Hole Configuration Style: hexagon flats
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
MS51095-88	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-993-3553?

The FSCG of the NSN 5305-00-993-3553 is 5305

Does the NSN 5305-00-993-3553 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-993-3553 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 5305-00-993-3553 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-993-3553 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 5305-00-993-3553 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960