5305-00-638-6721

Find complete technical information, availability, and procurement data for: 5305-00-638-6721
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-638-6721

Item Name Code

22846

Assigment Date

01/01/1963 (63 years ago)

flat chamfer head style, 1.180 inches nominal fastener length, 3a thread class, right-hand thread direction, 0.335 inches minimum thread 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: 0.335 inches minimum
Fastener Length: 1.180 inches nominal
Head Style: flat chamfer
Head Diameter: 0.500 inches nominal
Head Height: 0.130 inches nominal
Shoulder Diameter: 0.311 inches nominal first shoulder
Shoulder Length: 0.845 inches nominal first shoulder
Shank Unthreaded Hole Diameter: 0.076 inches nominal first hole
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.060 inches minimum and 1.075 inches maximum first hole
Shoulder Shape: round first shoulder
Material: steel overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 ty1 cl3 fed spec single treatment response overall
Thread Series Designator: unf

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
211952	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-638-6721?

The FSCG of the NSN 5305-00-638-6721 is 5305

Does the NSN 5305-00-638-6721 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-638-6721 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 5305-00-638-6721 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-638-6721 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 5305-00-638-6721 was assigned to the Federal Catalog?

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