5305-01-342-4939

Find complete technical information, availability, and procurement data for: 5305-01-342-4939
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-342-4939

Item Name Code

16282

Assigment Date

07/25/1991 (35 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, 2.000 inches minimum thread length, 3a thread class, 2.460 inches minimum and 2.500 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: 3a
Thread Direction: right-hand
Thread Length: 2.000 inches minimum
Fastener Length: 2.460 inches minimum and 2.500 inches maximum
Head Style: flat chamfer
Head Diameter: 1.107 inches minimum and 1.125 inches maximum
Head Height: 0.740 inches minimum and 0.750 inches maximum
Hole Diameter: 0.091 inches minimum and 0.097 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.750 inches
Width Across Flats: 0.625 inches minimum and 0.631 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 160000 pounds per square inch
Hole Configuration Style: round internal hexagon
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5737 assn std single material response overall
Precious Material And Location: overall silver
Precious Material: silver
Surface Treatment: silver overall
Thread Series Designator: unrf
Specification/Standard Data: 80205-nas1351 professional/industrial association standard

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
NAS1351N12H40S	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-342-4939?

The FSCG of the NSN 5305-01-342-4939 is 5305

Does the NSN 5305-01-342-4939 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-342-4939 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 5305-01-342-4939 contain precious materials?

Item contains silver.

Does NSN 5305-01-342-4939 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 5305-01-342-4939 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, Jul 25, 1991