5305-01-055-3804

Find complete technical information, availability, and procurement data for: 5305-01-055-3804
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-055-3804

Item Name Code

29294

Assigment Date

02/04/1978 (48 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.

3a thread class, 0.779 inches minimum and 0.809 inches maximum thread length, 1.419 inches nominal fastener length, fillister countersunk head style, 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: 0.779 inches minimum and 0.809 inches maximum
Fastener Length: 1.419 inches nominal
Head Style: fillister countersunk
Head Diameter: 0.690 inches minimum and 0.710 inches maximum
Head Height: 0.130 inches minimum and 0.143 inches maximum
Grip Diameter: 0.4985 inches minimum and 0.4995 inches maximum
Single Shear Strength: 132000 pounds per square inch
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.500 inches
Grip Length: 0.615 inches minimum and 0.635 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 220000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas 672 assn std single treatment response overall
Thread Series Designator: unjf

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PBF1198-8-10	Close Tolerance Screw
SF120-8-10	Close Tolerance Screw
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FAQs

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

What is the FSCG of the NSN 5305-01-055-3804?

The FSCG of the NSN 5305-01-055-3804 is 5305

Does the NSN 5305-01-055-3804 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-055-3804 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 5305-01-055-3804 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-055-3804 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 5305-01-055-3804 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Feb 4, 1978