NAS1707-20

View detailed technical data, stock status, and sourcing information for: NAS1707-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-436-1771

Item Name Code

22846

Assigment Date

09/13/1996 (29 years ago)

A digital map, chart, or geodetic product, distributed, or not, by the defense mapping agency, which is associated with air and/or water and/or land navigation, tracking, and charting.

flat countersunk head style, 0.656 inches maximum thread length, 20 thread class, 1.891 inches minimum and 1.921 inches maximum fastener length, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 20
Thread Direction: right-hand
Thread Length: 0.656 inches maximum
Fastener Length: 1.891 inches minimum and 1.921 inches maximum
Head Style: flat countersunk
Head Diameter: 0.826 inches minimum and 0.888 inches maximum
Shoulder Diameter: 0.4516 inches minimum and 0.4526 inches maximum first shoulder
Shoulder Length: 1.240 inches minimum and 1.260 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.4375 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Material: steel comp 4140 and steel comp 4340 and steel comp 8740 overall
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 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, type 2, class 2 fed spec all treatment responses overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1707 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
NAS1707-20	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-436-1771?

The FSCG of the NSN 5305-01-436-1771 is 5305

Does the NSN 5305-01-436-1771 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-436-1771 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 5305-01-436-1771 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-436-1771 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 5305-01-436-1771 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Sep 13, 1996