5305-01-268-5562

Find complete technical information, availability, and procurement data for: 5305-01-268-5562
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-268-5562

Item Name Code

29294

Assigment Date

12/03/1987 (38 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

right-hand thread direction, 3a thread class, 0.276 inches minimum and 0.388 inches maximum thread length, 0.660 inches minimum and 0.690 inches maximum fastener length, 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: 0.276 inches minimum and 0.388 inches maximum
Fastener Length: 0.660 inches minimum and 0.690 inches maximum
Head Style: flat countersunk
Head Diameter: 0.258 inches minimum and 0.305 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Shank Unthreaded Hole Diameter: 0.070 inches minimum and 0.080 inches maximum first hole
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.302 inches minimum and 0.322 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.520 inches minimum and 0.550 inches maximum first hole
Material: steel comp h11 overall
Material Document And Classification: ams6487 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas672 assn std single treatment response 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
121558-3-5P	Close Tolerance Screw
AIC985-3D-5	Close Tolerance Screw
C7985-3D5	Close Tolerance Screw
H185-3D5	Close Tolerance Screw
PBF1166-3D5	Close Tolerance Screw
VT1694F3-5D	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-268-5562?

The FSCG of the NSN 5305-01-268-5562 is 5305

Does the NSN 5305-01-268-5562 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-268-5562 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 5305-01-268-5562 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-268-5562 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 5305-01-268-5562 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Dec 3, 1987