NAS1298-4-3

View detailed technical data, stock status, and sourcing information for: NAS1298-4-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-067-8537

Item Name Code

22846

Assigment Date

11/09/1978 (47 years ago)

An item internally threaded from one end, and completely inclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, or dodecagonal and taper to a cone or dome shape on the closed end. For like items which are stamped or formed from sheet stock, see nut (1), stamped. For similar items which are flat on top and bottom see nut (1), sleeve or post, electrical-mechanical equipment.

0.362 inches minimum and 0.448 inches maximum thread length, 3a thread class, right-hand thread direction, pan head style, 0.641 inches minimum and 0.681 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: 0.362 inches minimum and 0.448 inches maximum
Fastener Length: 0.641 inches minimum and 0.681 inches maximum
Head Style: pan
Head Diameter: 0.568 inches minimum and 0.601 inches maximum
Head Height: 0.162 inches minimum and 0.183 inches maximum
Shoulder Diameter: 0.309 inches minimum and 0.312 inches maximum first shoulder
Shoulder Length: 0.198 inches minimum and 0.208 inches maximum first shoulder
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Shoulder Shape: round first shoulder
Material: steel comp 4037 or steel comp 8630 overall
Material Document And Classification: ams 6300 assn std 1st material response or mil-s-6050 mil spec 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1298 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
NAS1298-4-3	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-067-8537?

The FSCG of the NSN 5305-01-067-8537 is 5305

Does the NSN 5305-01-067-8537 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-067-8537 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 5305-01-067-8537 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-067-8537 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 5305-01-067-8537 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Thu, Nov 9, 1978