5305-00-490-4687

Find complete technical information, availability, and procurement data for: 5305-00-490-4687
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-490-4687

Item Name Code

29294

Assigment Date

10/01/1969 (56 years ago)

right-hand thread direction, 0.672 inches minimum and 0.702 inches maximum fastener length, 0.267 inches minimum and 0.400 inches maximum thread length, flat countersunk head style, 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: 0.267 inches minimum and 0.400 inches maximum
Fastener Length: 0.672 inches minimum and 0.702 inches maximum
Head Style: flat countersunk
Head Diameter: 0.443 inches minimum and 0.474 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.302 inches minimum and 0.322 inches maximum
Thread Quantity Per Inch: 24
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 4140 or steel comp 8740 or steel comp 4130 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall
Thread Series Designator: unf

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
VT1051-5-5	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-490-4687?

The FSCG of the NSN 5305-00-490-4687 is 5305

Does the NSN 5305-00-490-4687 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-490-4687 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 5305-00-490-4687 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-490-4687 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 5305-00-490-4687 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Oct 1, 1969