NAS514P440-20P

View detailed technical data, stock status, and sourcing information for: NAS514P440-20P
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-015-7160

Item Name Code

06657

Assigment Date

01/27/1976 (50 years ago)

1.250 inches nominal fastener length, 1.250 inches nominal thread length, right-hand thread direction, 3a thread class, flat countersunk 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: 3a
Thread Direction: right-hand
Thread Length: 1.250 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: flat countersunk
Head Diameter: 0.183 inches minimum and 0.225 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle: 100.0 degrees nominal
Screw Material: steel
Screw Material Document And Classification: mil-s-7839 mil spec single material response
Screw Surface Treatment Document And Classification: qq-p-416,ty 2,clb fed spec all treatment responses
Thread Series Designator: unc
Specification/Standard Data: 80205-nas514 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-584-8766	No Name Available	02/01/1998
5305-00-630-2371	No Name Available	02/01/1992

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
NAS514P440-20P	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-015-7160?

The FSCG of the NSN 5305-01-015-7160 is 5305

Does the NSN 5305-01-015-7160 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-015-7160 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 5305-01-015-7160 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-015-7160 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 5305-01-015-7160 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Jan 27, 1976