5305-01-159-4487

Find complete technical information, availability, and procurement data for: 5305-01-159-4487
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-159-4487

Item Name Code

06657

Assigment Date

08/09/1983 (42 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

right-hand thread direction, hexagon head style, 0.859 inches minimum and 0.906 inches maximum fastener length, 3a thread class, 0.788 inches minimum and 0.906 inches maximum thread length

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: 0.788 inches minimum and 0.906 inches maximum
Fastener Length: 0.859 inches minimum and 0.906 inches maximum
Head Style: hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Hole Diameter: 0.046 inches minimum and 0.056 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Hole Quantity: 3
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material: steel comp e4340 or steel comp 8740
Screw Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response
Screw Surface Treatment: aluminum and chromate
Screw Surface Treatment Document And Classification: mil-c-83488 ty 2 class 3 mil spec single treatment response
Head Hole Configuration Style: hexagon flats
Thread Series Designator: unjf

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FAQs

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

What is the FSCG of the NSN 5305-01-159-4487?

The FSCG of the NSN 5305-01-159-4487 is 5305

Does the NSN 5305-01-159-4487 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-159-4487 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 5305-01-159-4487 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-159-4487 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 5305-01-159-4487 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Aug 9, 1983