5305-01-240-0859

Find complete technical information, availability, and procurement data for: 5305-01-240-0859
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-240-0859

Item Name Code

22846

Assigment Date

09/08/1986 (39 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

3a thread class, 0.615 inches minimum and 0.682 inches maximum thread length, 1.125 inches minimum and 1.172 inches maximum fastener length, right-hand thread direction, 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 Class: 3a
Thread Direction: right-hand
Thread Length: 0.615 inches minimum and 0.682 inches maximum
Fastener Length: 1.125 inches minimum and 1.172 inches maximum
Head Style: flat countersunk
Head Diameter: 0.755 inches minimum and 0.760 inches maximum
Shoulder Diameter: 0.3896 inches minimum and 0.3901 inches maximum first shoulder
Shoulder Length: 0.490 inches minimum and 0.510 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 99.5 degrees minimum and 100.5 degrees maximum
Shoulder Shape: round first shoulder
Special Features: supply with o ring per st7m251
Material: steel corrosion resisting 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
HT4020-6-8AX	Shoulder Screw
ST3M653C6-8A	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-240-0859?

The FSCG of the NSN 5305-01-240-0859 is 5305

Does the NSN 5305-01-240-0859 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-240-0859 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 5305-01-240-0859 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-240-0859 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 5305-01-240-0859 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Mon, Sep 8, 1986