5305-01-158-5553

Find complete technical information, availability, and procurement data for: 5305-01-158-5553
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-158-5553

Item Name Code

16282

Assigment Date

07/25/1983 (43 years ago)

0.500 inches nominal head height, right-hand thread direction, 1.250 inches nominal fastener length, 1.250 inches nominal thread length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 1.250 inches nominal
Fastener Length: 1.250 inches nominal
Head Height: 0.500 inches nominal
Width Between Flats: 0.750 inches nominal
Hole Diameter: 0.061 inches minimum and 0.067 inches maximum
Locking Feature: distortions threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.500 inches
Width Across Flats: 0.375 inches minimum and 0.378 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 20
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Hole Configuration Style: hexagon flats
Part Name Assigned By Controlling Agency: navy special project
Material: steel overall
Material Document And Classification: mil-s-6049 mil spec single material response overall
Surface Treatment: cadmium and nickel overall
Surface Treatment Document And Classification: ams2416 assn std single treatment response overall
Thread Series Designator: unf

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
509441-810CA	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-158-5553?

The FSCG of the NSN 5305-01-158-5553 is 5305

Does the NSN 5305-01-158-5553 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-158-5553 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 5305-01-158-5553 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-158-5553 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 5305-01-158-5553 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, Jul 25, 1983