5305-01-474-1378

Find complete technical information, availability, and procurement data for: 5305-01-474-1378
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-474-1378

Item Name Code

06657

Assigment Date

04/26/2000 (26 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.

right-hand thread direction, 0.250 inches nominal fastener length, 0.250 inches nominal thread diameter, 2a thread class, round 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: 2a
Thread Direction: right-hand
Fastener Length: 0.250 inches nominal
Head Style: round
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Screw Material: steel
Screw Material Document And Classification: ff-s-92 fed spec 1st material response
Screw Surface Treatment: zinc or cadmium
Screw Surface Treatment Document And Classification: qq-z-325,type2,class2 fed spec 1st treatment response or qq-p-416,type1,classc fed spec 2nd treatment response
Thread Series Designator: unc

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
1/4-20UNC-2A LG =1/4	Machine Screw
124-4322638 PC 26	Machine Screw
124-4322639 PC 26	Machine Screw
124-4322640 PC 31	Machine Screw
124-4322642 PC 38	Machine Screw
124-4322644 PC 60	Machine Screw
124-4364811 PC 36	Machine Screw
124-4364812 PC 41	Machine Screw
124-4364814 PC 36	Machine Screw
124-4364815 PC 33	Machine Screw
124-4364816 PC 27	Machine Screw
124-4364817 PC 31	Machine Screw
124-4364818 PC 33	Machine Screw
124-4498686 PC 43	Machine Screw
124-4557340 PC 38	Machine Screw
124-5202449 PC 60	Machine Screw
124-5563772 PC 92	Machine Screw
124-5563773 PC 60	Machine Screw
124-5563777 PC 43	Machine Screw
124-5588671 PC 59	Machine Screw
124-5589899 PC 62	Machine Screw
124-5754756 PC 38	Machine Screw
4322644 PC 60	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-474-1378?

The FSCG of the NSN 5305-01-474-1378 is 5305

Does the NSN 5305-01-474-1378 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-474-1378 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 5305-01-474-1378 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-474-1378 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 5305-01-474-1378 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Wed, Apr 26, 2000