5305-01-570-2406

Find complete technical information, availability, and procurement data for: 5305-01-570-2406
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-570-2406

Item Name Code

16282

Assigment Date

12/18/2008 (17 years ago)

A flat metal or plastic item of various peripheral shapes having a solid (not laminated) cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole having a solid rectangular cross-section use disk, solid, plain. For round or hexagonal items with only one hole centrally located and with the length (thickness) exceeding 25 percent of the outside diameter or distance across peripheral flats, see spacer, sleeve. The thickness between the two parallel bearing surfaces must be 0.006 inch, (0.152 mm) or more for items less than 1/4 inch (6.35 mm) across the peripheral diameter, or smallest overall outside dimension, or must be 0.016 inch (0.406 mm) or more for items 1/4 inch (6.35 mm) or greater across the peripheral diameter or smallest overall outside dimension. For items with a thickness less than those indicated above, see shim. For items with one hole centrally located conforming to the above dimensional criteria use washer, flat or spacer, ring as applicable. When thickness and/or outside_diameter_or_smallest_overall_outside_dimension_is_designated_as_a_tolerance/dimension_the_maximum_dimension_will_be_used_to_determine_compliance._excludes:gasket;_insulator_(as_modified)_and_mounting_pad,_electrical-electronic_component.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

1.500 inches nominal fastener length, right-hand thread direction, 1.339 inches nominal thread length, flat countersunk head style, 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: 1.339 inches nominal
Fastener Length: 1.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.531 inches nominal
Internal Drive Style: hexagon
End Item Identification: 2540-01-566-6751;gunners seat and restraint system
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 70000 pounds per square inch
Hardness Rating: 70.0 rockwell b nominal overall
Countersink Angle: 82.0 degrees nominal
Part Name Assigned By Controlling Agency: 1/4-20 1-1/2
Special Features: finish: plain;tip type: plain;head height: 0.161 inch
Material: steel corrosion resisting 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
90585A546	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-570-2406?

The FSCG of the NSN 5305-01-570-2406 is 5305

Does the NSN 5305-01-570-2406 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-570-2406 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 5305-01-570-2406 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-570-2406 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 5305-01-570-2406 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Thu, Dec 18, 2008