5305-01-357-4677

Find complete technical information, availability, and procurement data for: 5305-01-357-4677
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-357-4677

Item Name Code

01852

Assigment Date

04/24/1992 (34 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

2a thread class, right-hand thread direction, 0.230 inches minimum and 0.270 inches maximum thread length, 0.940 inches minimum and 1.000 inches maximum fastener length, flat chamfer 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
Thread Length: 0.230 inches minimum and 0.270 inches maximum
Fastener Length: 0.940 inches minimum and 1.000 inches maximum
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
First Diameter From Head: 0.184 inches minimum and 0.188 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.710 inches minimum and 0.730 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 130000 pounds per square inch
Hardness Rating: 24.0 rockwell c minimum and 43.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 1
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq+35 fed spec single treatment response 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
10124716-102	Externally Relieved Body Screw
66666-3748	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-357-4677?

The FSCG of the NSN 5305-01-357-4677 is 5305

Does the NSN 5305-01-357-4677 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-357-4677 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 5305-01-357-4677 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-357-4677 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 5305-01-357-4677 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Apr 24, 1992