5305-00-821-7428

Find complete technical information, availability, and procurement data for: 5305-00-821-7428
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-821-7428

Item Name Code

06660

Assigment Date

01/01/1962 (64 years ago)

2a thread class, 0.420 inches nominal fastener length, binding head style, right-hand thread direction, 0.358 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: 0.358 inches minimum
Fastener Length: 0.420 inches nominal
Head Style: binding
Head Diameter: 0.290 inches nominal
Head Height: 0.080 inches nominal
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Primary Washer Outside Diameter: 0.406 inches nominal
Primary Washer Style: flat external teeth
Primary Washer Material Thickness: 0.047 inches nominal
Material: steel corrosion resisting overall
Surface Treatment: passivate overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-820-8814	No Name Available	01/01/1962

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
239-38A	Assembled Washer Screw
2390-0001	Assembled Washer Screw
2590-0003	Assembled Washer Screw
6-32BY1-21NSS	Assembled Washer Screw
HP239-38A	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-821-7428?

The FSCG of the NSN 5305-00-821-7428 is 5305

Does the NSN 5305-00-821-7428 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-821-7428 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 5305-00-821-7428 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-821-7428 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 5305-00-821-7428 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962