TP51959-14

View detailed technical data, stock status, and sourcing information for: TP51959-14
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-763-7822

Item Name Code

06657

Assigment Date

01/01/1961 (65 years ago)

flat countersunk head style, 0.281 inches minimum and 0.312 inches maximum fastener length, 0.262 inches minimum and 0.312 inches maximum thread length, 2a thread class, 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: 0.262 inches minimum and 0.312 inches maximum
Fastener Length: 0.281 inches minimum and 0.312 inches maximum
Head Style: flat countersunk
Head Diameter: 0.195 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: 80000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Screw Material Document And Classification: 66 fed std all material responses
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-059-7188	No Name Available	06/01/1976
5305-00-271-6563	No Name Available	12/01/1982
5305-00-619-1528	No Name Available	02/05/2025
5305-00-810-3002	No Name Available	04/04/1969
5305-00-827-7609	No Name Available	03/01/1976
5305-01-017-4080	No Name Available	07/01/1977
5305-01-036-6774	No Name Available	12/01/1980
5305-01-046-7971	No Name Available	12/01/1985
5305-01-412-6300	No Name Available	03/01/2001

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FAQs

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

What is the FSCG of the NSN 5305-00-763-7822?

The FSCG of the NSN 5305-00-763-7822 is 5305

Does the NSN 5305-00-763-7822 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-763-7822 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 5305-00-763-7822 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-763-7822 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 5305-00-763-7822 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961