5305-01-142-0031

Find complete technical information, availability, and procurement data for: 5305-01-142-0031
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-142-0031

Item Name Code

06657

Assigment Date

11/09/1982 (43 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.

0.512 inches minimum and 0.542 inches maximum fastener length, 0.314 inches minimum and 0.364 inches maximum thread length, flat countersunk head style, right-hand thread direction, 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: 0.314 inches minimum and 0.364 inches maximum
Fastener Length: 0.512 inches minimum and 0.542 inches maximum
Head Style: flat countersunk
Head Diameter: 0.344 inches minimum and 0.385 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: iron alloy 660
Screw Surface Treatment: passivate
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1221 professional/industrial association standard

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
NAS1221-3E3P	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-142-0031?

The FSCG of the NSN 5305-01-142-0031 is 5305

Does the NSN 5305-01-142-0031 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-142-0031 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 5305-01-142-0031 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-142-0031 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 5305-01-142-0031 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Nov 9, 1982