NAS1144019

View detailed technical data, stock status, and sourcing information for: NAS1144019
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-837-5048

Item Name Code

29294

Assigment Date

01/01/1960 (66 years ago)

3a thread class, 0.316 inches minimum thread length, right-hand thread direction, pan head style, 0.926 inches minimum and 0.956 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: 0.316 inches minimum
Fastener Length: 0.926 inches minimum and 0.956 inches maximum
Head Style: pan
Head Diameter: 0.464 inches minimum and 0.493 inches maximum
Head Height: 0.133 inches minimum and 0.150 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.625 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or 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-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1144 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
NAS1144-10	Close Tolerance Screw
NAS1144019	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-837-5048?

The FSCG of the NSN 5305-00-837-5048 is 5305

Does the NSN 5305-00-837-5048 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-837-5048 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 5305-00-837-5048 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-837-5048 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 5305-00-837-5048 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960