SC1015A

View detailed technical data, stock status, and sourcing information for: SC1015A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-638-6307

Item Name Code

06673

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

0.312 inches minimum thread length, knurled no. 1 head style, 2a thread class, 1.000 inches nominal fastener 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: 2a
Thread Direction: right-hand
Thread Length: 0.312 inches minimum
Fastener Length: 1.000 inches nominal
Head Style: knurled no. 1
Head Diameter: 0.438 inches nominal
Head Height: 0.375 inches nominal
Shoulder Diameter: 0.234 inches nominal first shoulder
Shoulder Length: 0.031 inches nominal first shoulder
Point Length: 0.094 inches nominal
Point Diameter: 0.189 inches nominal
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Point Chamfer Angle: 120.0 degrees nominal
Shoulder Shape: round first shoulder
Material: steel comp 302 or steel comp 316 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-318-8707	No Name Available	01/01/1963

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
SC1015A	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-00-638-6307?

The FSCG of the NSN 5305-00-638-6307 is 5305

Does the NSN 5305-00-638-6307 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-638-6307 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 5305-00-638-6307 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-638-6307 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 5305-00-638-6307 was assigned to the Federal Catalog?

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