5305-00-207-4071

Find complete technical information, availability, and procurement data for: 5305-00-207-4071
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-207-4071

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 2a thread class, 0.688 inches maximum thread length, 0.688 inches nominal fastener length, flat chamfer head style

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: 0.688 inches maximum
Fastener Length: 0.688 inches nominal
Head Style: flat chamfer
Head Diameter: 0.292 inches minimum and 0.313 inches maximum
Head Height: 0.170 inches minimum and 0.180 inches maximum
Hole Diameter: 0.052 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Hole Quantity: 2
Thread Quantity Per Inch: 32
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Screw Material: steel comp 4037
Screw Material Document And Classification: ams 6300 assn std single material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response
Head Hole Configuration Style: round
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-639-3110	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
4227A	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-207-4071?

The FSCG of the NSN 5305-00-207-4071 is 5305

Does the NSN 5305-00-207-4071 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-207-4071 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 5305-00-207-4071 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-207-4071 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 5305-00-207-4071 was assigned to the Federal Catalog?

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