5305-01-026-0798

Find complete technical information, availability, and procurement data for: 5305-01-026-0798
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-026-0798

Item Name Code

06657

Assigment Date

08/15/1976 (49 years ago)

flat countersunk head style, right-hand thread direction, 0.210 inches minimum and 0.303 inches maximum thread length, 0.344 inches minimum and 0.375 inches maximum fastener length, 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: 0.210 inches minimum and 0.303 inches maximum
Fastener Length: 0.344 inches minimum and 0.375 inches maximum
Head Style: flat countersunk
Head Diameter: 0.285 inches minimum and 0.332 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 80000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Screw Material: copper alloy 230 or copper alloy 240 or copper alloy 260 or copper alloy 268 or copper alloy 342 or copper alloy 353 or copper alloy 270 or copper alloy 274 or copper alloy 360
Screw Surface Treatment: oxide
Screw Surface Treatment Document And Classification: mil-f-495 mil spec single treatment response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 3 type and 3c style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-148-7447	No Name Available	07/01/1994

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
MS24693-48	Machine Screw
MS24693-48B	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-026-0798?

The FSCG of the NSN 5305-01-026-0798 is 5305

Does the NSN 5305-01-026-0798 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-026-0798 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 5305-01-026-0798 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-026-0798 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 5305-01-026-0798 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Aug 15, 1976