5305-00-639-4823

Find complete technical information, availability, and procurement data for: 5305-00-639-4823
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-639-4823

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

2a thread class, fillister head style, 0.750 inches minimum and 0.765 inches maximum fastener length, right-hand thread direction, 0.531 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: 2a
Thread Direction: right-hand
Thread Length: 0.531 inches minimum
Fastener Length: 0.750 inches minimum and 0.765 inches maximum
Head Style: fillister
Head Diameter: 0.855 inches minimum and 0.875 inches maximum
Head Height: 0.429 inches minimum and 0.489 inches maximum
Hole Diameter: 0.062 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.625 inches
Hole Quantity: 4
Thread Quantity Per Inch: 11
Screw Material: steel comp 1035
Screw Material Document And Classification: sae assn std single material response
Screw Surface Treatment: zinc
Screw Surface Treatment Document And Classification: qq-z-325,ty 2,cl 2 fed spec single treatment response
Head Hole Configuration Style: round longitudinal hole
Thread Series Designator: unc

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
403431	Machine Screw
BUWEPSDWG403431	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-639-4823?

The FSCG of the NSN 5305-00-639-4823 is 5305

Does the NSN 5305-00-639-4823 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-639-4823 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 5305-00-639-4823 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-639-4823 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 5305-00-639-4823 was assigned to the Federal Catalog?

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