5305-01-192-6378

Find complete technical information, availability, and procurement data for: 5305-01-192-6378
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-192-6378

Item Name Code

06657

Assigment Date

10/24/1984 (41 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, 0.252 inches minimum and 0.302 inches maximum thread length, right-hand thread direction, 1.012 inches minimum and 1.042 inches maximum fastener length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.252 inches minimum and 0.302 inches maximum
Fastener Length: 1.012 inches minimum and 1.042 inches maximum
Head Style: flat countersunk
Head Diameter: 0.244 inches minimum and 0.279 inches maximum
Internal Drive Style: torque set
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: navy special project
Screw Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,type 2 cl 2 fed spec single treatment response
Special Features: internal drive ribbed
Thread Series Designator: unjc

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
122967A06-12	Machine Screw
HR216-06-12	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-192-6378?

The FSCG of the NSN 5305-01-192-6378 is 5305

Does the NSN 5305-01-192-6378 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-192-6378 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 5305-01-192-6378 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-192-6378 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 5305-01-192-6378 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Oct 24, 1984