5305-01-238-3177

Find complete technical information, availability, and procurement data for: 5305-01-238-3177
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-238-3177

Item Name Code

06657

Assigment Date

08/13/1986 (39 years ago)

right-hand thread direction, flat countersunk head style, 0.374 inches minimum and 0.455 inches maximum thread length, 3a thread class, 0.469 inches minimum and 0.500 inches maximum fastener 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: 0.374 inches minimum and 0.455 inches maximum
Fastener Length: 0.469 inches minimum and 0.500 inches maximum
Head Style: flat countersunk
Head Diameter: 0.183 inches minimum and 0.225 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 4037 or steel comp 8630
Screw Material Document And Classification: mil-s-6050 mil spec 1st material response or ams6300 assn std 2nd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416 type 1 class 2 fed spec single treatment response
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas514 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
NAS514-440-8	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-238-3177?

The FSCG of the NSN 5305-01-238-3177 is 5305

Does the NSN 5305-01-238-3177 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-238-3177 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 5305-01-238-3177 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-238-3177 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 5305-01-238-3177 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Aug 13, 1986