5305-01-166-4526

Find complete technical information, availability, and procurement data for: 5305-01-166-4526
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-166-4526

Item Name Code

01852

Assigment Date

11/12/1983 (42 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

0.140 inches nominal thread length, right-hand thread direction, 0.442 inches minimum and 0.507 inches maximum head diameter, 0.375 inches nominal fastener length, flat countersunk 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 Direction: right-hand
Thread Length: 0.140 inches nominal
Fastener Length: 0.375 inches nominal
Head Style: flat countersunk
Head Diameter: 0.442 inches minimum and 0.507 inches maximum
First Diameter From Head: 0.099 inches minimum and 0.104 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.235 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Externally Relieved Body Diameter Quantity: 1
Material: steel corrosion resisting overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-c-13924,class 4 mil spec 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
32242-1	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-166-4526?

The FSCG of the NSN 5305-01-166-4526 is 5305

Does the NSN 5305-01-166-4526 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-166-4526 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 5305-01-166-4526 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-166-4526 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 5305-01-166-4526 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Nov 12, 1983