5305-00-638-5648

Find complete technical information, availability, and procurement data for: 5305-00-638-5648
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-638-5648

Item Name Code

06672

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 0.250 inches maximum thread length, headless (setscrew) head style, 0.250 inches nominal fastener length, 2a thread class

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.250 inches maximum
Fastener Length: 0.250 inches nominal
Head Style: headless (setscrew)
Spline Minor Diameter: 0.080 inches minimum and 0.082 inches maximum
Spline Major Diameter: 0.097 inches minimum and 0.098 inches maximum
Spline Width: 0.021 inches minimum and 0.022 inches maximum
Point Style: cup
Internal Drive Style: six spline
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Material: steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type and 3 style
Departure From Cited Designator: as modified by thread class

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
7876450P3	Setscrew
7876450PT3	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-638-5648?

The FSCG of the NSN 5305-00-638-5648 is 5305

Does the NSN 5305-00-638-5648 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-638-5648 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 5305-00-638-5648 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-638-5648 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 5305-00-638-5648 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963