6-32BY1-21NSS

View detailed technical data, stock status, and sourcing information for: 6-32BY1-21NSS
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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)

0.420 inches nominal fastener length, 0.358 inches minimum thread length, binding head style, right-hand thread direction, 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: 0.358 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Below is a list of NSNs that have been officially superseded by this NSN: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