1029421-6-6

View detailed technical data, stock status, and sourcing information for: 1029421-6-6
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-550-1519

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.375 inches nominal fastener length, 3a thread class, flat countersunk head style, 0.344 inches minimum and 0.375 inches maximum thread length, right-hand thread direction

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: 0.344 inches minimum and 0.375 inches maximum
Fastener Length: 0.375 inches nominal
Head Style: flat countersunk
Head Diameter: 0.233 inches minimum and 0.279 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: screw, machine, 100 deg. flat head, full threaded, alloy steel
Screw Material: steel comp 8630 or steel comp 4037
Screw Material Document And Classification: mil-s-6050 mil spec 1st material response or ams 6300 assn std 2nd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-475-8400	No Name Available	01/01/1961
5305-00-793-8795	No Name Available	01/01/1960

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
1029421-6-6	Machine Screw
947546-2106	Machine Screw
NAS514P632-6	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-550-1519?

The FSCG of the NSN 5305-00-550-1519 is 5305

Does the NSN 5305-00-550-1519 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-550-1519 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 5305-00-550-1519 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-550-1519 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 5305-00-550-1519 was assigned to the Federal Catalog?

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