5305-01-286-6052

Find complete technical information, availability, and procurement data for: 5305-01-286-6052
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-286-6052

Item Name Code

18257

Assigment Date

10/05/1988 (37 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.

right-hand thread direction, 0.720 inches minimum and 0.750 inches maximum fastener length, hexagon head style, 0.637 inches minimum and 0.750 inches maximum thread length, 2a thread class

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: 0.637 inches minimum and 0.750 inches maximum
Fastener Length: 0.720 inches minimum and 0.750 inches maximum
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Nominal Thread Diameter: 0.375 inches
Features Provided: finished head
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 34.0 rockwell c maximum overall
Part Name Assigned By Controlling Agency: screw,cap,hexagon head
Material: steel overall
Material Document And Classification: sae j429 gr 5 assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty 2,cl-fe/zn 13 assn std single treatment response overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 1 type and 5 grade

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
3/8-24UNF-2AX3/4 IN. LG, STL, ZN	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-286-6052?

The FSCG of the NSN 5305-01-286-6052 is 5305

Does the NSN 5305-01-286-6052 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-286-6052 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 5305-01-286-6052 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-286-6052 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 5305-01-286-6052 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Wed, Oct 5, 1988