5305-01-077-5798

Find complete technical information, availability, and procurement data for: 5305-01-077-5798
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-077-5798

Item Name Code

06657

Assigment Date

05/26/1979 (47 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.

flat countersunk head style, 0.766 inches minimum and 0.796 inches maximum fastener length, 3a thread class, 0.338 inches nominal thread length, 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: 0.338 inches nominal
Fastener Length: 0.766 inches minimum and 0.796 inches maximum
Head Style: flat countersunk
Head Diameter: 0.344 inches minimum and 0.385 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 3180 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: iron alloy 660
Screw Material Document And Classification: ams5731,ams5735 or ams5737 assn std single material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-35 or qq-p-416,type 11,class 2 assn std single treatment response
Thread Series Designator: unjf

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
122219	Machine Screw
642AS3716	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-077-5798?

The FSCG of the NSN 5305-01-077-5798 is 5305

Does the NSN 5305-01-077-5798 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-077-5798 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 5305-01-077-5798 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-077-5798 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 5305-01-077-5798 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, May 26, 1979