WC1262C3-2-5A

View detailed technical data, stock status, and sourcing information for: WC1262C3-2-5A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-505-4052

Item Name Code

29294

Assigment Date

03/06/2003 (23 years ago)

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

0.313 inches nominal thread length, flat countersunk head style, 0.423 inches minimum and 0.453 inches maximum fastener length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.313 inches nominal
Fastener Length: 0.423 inches minimum and 0.453 inches maximum
Head Style: flat countersunk
Head Diameter: 0.358 inches minimum and 0.365 inches maximum
Spline Minor Diameter: 0.1105 inches minimum and 0.1125 inches maximum
Spline Major Diameter: 0.1540 inches minimum and 0.1560 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: torx
End Item Identification: f18 e/f
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.115 inches minimum and 0.135 inches maximum
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: bolt,100 degree reduced head,gear drive recess-special thread length inconcel 718 (125 ksi shear)
Material: nickel alloy 718 overall
Material Document And Classification: bps-f-69 mfr ref single material response overall
Surface Treatment: passivate overall
Thread Series Designator: unjf

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
11853C3-2-5A	Close Tolerance Screw
3M1262C3-2-5A	Close Tolerance Screw
TX1024C3-2-5A	Close Tolerance Screw
WC1262C3-2-5A	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-505-4052?

The FSCG of the NSN 5305-01-505-4052 is 5305

Does the NSN 5305-01-505-4052 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-505-4052 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 5305-01-505-4052 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-505-4052 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 5305-01-505-4052 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Thu, Mar 6, 2003