5305-01-441-6399

Find complete technical information, availability, and procurement data for: 5305-01-441-6399
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-441-6399

Item Name Code

06657

Assigment Date

07/19/1992 (34 years ago)

An item of solid one-piece construction, designed to restrict the flow of a fluid through it. It has an orifice of a smaller size than the diameter of flow into it. Excludes:items such as valve (1), (as modified); and others with an adjustable orifice. Excludes:pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. For items containing screens or filters, see restrictor unit, fluid flow.

right-hand thread direction, 0.438 inches nominal fastener length, 0.376 inches nominal thread length, 3a thread class, flat countersunk undercut 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: 0.376 inches nominal
Fastener Length: 0.438 inches nominal
Head Style: flat countersunk undercut
Head Diameter: 0.371 inches minimum and 0.385 inches maximum
Head Height: 0.080 inches nominal
Locking Feature: patch or pellet or strip
Internal Drive Style: torque set
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel
Locking Feature Material: plastic polyamide (nylon)
Screw Material Document And Classification: nas 498 assn std single material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,cl2,ty2 fed spec single treatment response
Bearing Surface Of Head Surface Finish: 32.0 microinches
Shank Surface Finish: 32.0 microinches
Thread Surface Finish: 32.0 microinches
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1189 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
NAS1189-3P7	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-441-6399?

The FSCG of the NSN 5305-01-441-6399 is 5305

Does the NSN 5305-01-441-6399 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-441-6399 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 5305-01-441-6399 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-441-6399 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 5305-01-441-6399 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sun, Jul 19, 1992