5305-01-334-8681

Find complete technical information, availability, and procurement data for: 5305-01-334-8681
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-334-8681

Item Name Code

06657

Assigment Date

03/04/1991 (35 years ago)

0.172 inches minimum and 0.204 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 0.166 inches minimum and 0.188 inches maximum thread length, 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: 0.166 inches minimum and 0.188 inches maximum
Fastener Length: 0.172 inches minimum and 0.204 inches maximum
Head Style: flat countersunk
Head Diameter: 0.267 inches minimum and 0.279 inches maximum
Locking Feature: patch
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 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
Part Name Assigned By Controlling Agency: navy special project
Screw Material: iron alloy 660
Screw Material Document And Classification: ams5731 assn std single material response or ms5737 assn std single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Bearing Surface Of Head Surface Finish: 32.0 microinches
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1741 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
NAS1741C06R3U	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-334-8681?

The FSCG of the NSN 5305-01-334-8681 is 5305

Does the NSN 5305-01-334-8681 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-334-8681 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 5305-01-334-8681 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-334-8681 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 5305-01-334-8681 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Mon, Mar 4, 1991