TK104P8S

View detailed technical data, stock status, and sourcing information for: TK104P8S
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-973-2281

Item Name Code

29294

Assigment Date

01/01/1962 (64 years ago)

0.910 inches minimum and 0.940 inches maximum fastener length, flat countersunk head style, 0.400 inches minimum and 0.450 inches maximum thread length, right-hand thread direction, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.400 inches minimum and 0.450 inches maximum
Fastener Length: 0.910 inches minimum and 0.940 inches maximum
Head Style: flat countersunk
Head Diameter: 0.449 inches minimum and 0.507 inches maximum
Locking Feature: slotted threads
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.490 inches minimum and 0.510 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 180000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Surface Treatment: cadmium overall
Thread Series Designator: unf

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
BACB30GD4-8S	Close Tolerance Screw
TK104P8S	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-973-2281?

The FSCG of the NSN 5305-00-973-2281 is 5305

Does the NSN 5305-00-973-2281 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-973-2281 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 5305-00-973-2281 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-973-2281 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 5305-00-973-2281 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962