NAS601-20P

View detailed technical data, stock status, and sourcing information for: NAS601-20P
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-931-3141

Item Name Code

06657

Assigment Date

09/19/1966 (59 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

pan head style, 3a thread class, 1.190 inches minimum and 1.250 inches maximum fastener length, right-hand thread direction, 1.128 inches minimum and 1.250 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: 1.128 inches minimum and 1.250 inches maximum
Fastener Length: 1.190 inches minimum and 1.250 inches maximum
Head Style: pan
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
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
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material: steel comp 4140 or steel comp e4340 or steel comp 8740
Screw Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 2 fed spec single treatment response
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas601 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
NAS601-20P	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-931-3141?

The FSCG of the NSN 5305-00-931-3141 is 5305

Does the NSN 5305-00-931-3141 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-931-3141 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 5305-00-931-3141 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-931-3141 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 5305-00-931-3141 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Sep 19, 1966