NAS1990-04P7K

View detailed technical data, stock status, and sourcing information for: NAS1990-04P7K
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-059-0192

Item Name Code

06657

Assigment Date

04/06/1978 (48 years ago)

0.388 inches minimum and 0.438 inches maximum thread length, 3a thread class, pan head style, right-hand thread direction, 0.407 inches minimum and 0.438 inches maximum fastener 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: 0.388 inches minimum and 0.438 inches maximum
Fastener Length: 0.407 inches minimum and 0.438 inches maximum
Head Style: pan
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.070 inches minimum and 0.080 inches maximum
Locking Feature: pellet or strip
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
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 4340 or steel comp 8740
Locking Feature Material: plastic polychlorotrifluoroethylene
Screw Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-8844 mil spec 2nd material response or ams 6414 assn std 2nd material response or mil-s-6049 mil spec 3rd material response
Locking Feature Material Document And Classification: ams 3650 assn std single material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416, type 2, class 2 fed spec all treatment responses
Bearing Surface Of Head Surface Finish: 32.0 microinches
Thread Surface Finish: 32.0 microinches
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1190 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
5305PL0783116	Machine Screw
MAS1190-04P7K	Machine Screw
NAS1190-04P7K	Machine Screw
NAS1990-04P7K	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-059-0192?

The FSCG of the NSN 5305-01-059-0192 is 5305

Does the NSN 5305-01-059-0192 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-059-0192 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 5305-01-059-0192 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-059-0192 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 5305-01-059-0192 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Apr 6, 1978