5305-01-341-8641

Find complete technical information, availability, and procurement data for: 5305-01-341-8641
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-341-8641

Item Name Code

06657

Assigment Date

07/10/1991 (35 years ago)

An inline or cartridge type item designed to control the flow of fluids within a closed system. Excludes:items actuated by a predetermined pressure and/or temperature, items designed for use with breathing gasses, or those designed to vent or calibrate fluids.

3a thread class, 0.344 inches minimum and 0.375 inches maximum fastener length, right-hand thread direction, pan head style, 0.282 inches minimum and 0.375 inches maximum thread length

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: 0.282 inches minimum and 0.375 inches maximum
Fastener Length: 0.344 inches minimum and 0.375 inches maximum
Head Style: pan
Head Diameter: 0.331 inches minimum and 0.373 inches maximum
Head Height: 0.122 inches minimum and 0.133 inches maximum
Locking Feature: patch
Internal Drive Style: torque set
Nominal Thread Diameter: 0.190 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
Part Name Assigned By Controlling Agency: navy special project
Screw Material: steel comp 4140 or steel comp 4340 or steel comp 8740
Locking Feature Material: plastic polyamide (nylon)
Screw Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-8844 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 fed spec single treatment response
Specification/Standard Data: 80205-nas1190 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
NAS1190-3R6B	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-341-8641?

The FSCG of the NSN 5305-01-341-8641 is 5305

Does the NSN 5305-01-341-8641 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-341-8641 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 5305-01-341-8641 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-341-8641 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 5305-01-341-8641 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, Jul 10, 1991