5305-00-939-0489

Find complete technical information, availability, and procurement data for: 5305-00-939-0489
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-939-0489

Item Name Code

01852

Assigment Date

11/03/1965 (60 years ago)

flat chamfer head style, right-hand thread direction, 2a thread class, 0.797 inches nominal fastener length, 0.400 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.400 inches nominal
Fastener Length: 0.797 inches nominal
Head Style: flat chamfer
Head Diameter: 0.275 inches nominal
Head Height: 0.483 inches nominal
Hole Diameter: 0.036 inches nominal
First Diameter From Head: 0.176 inches nominal
Second Diameter From Head: 0.275 inches nominal
Third Diameter From Head: 0.114 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.105 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 0.147 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 0.217 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Hole Quantity: 2
Hole Type: drilled
Thread Quantity Per Inch: 32
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Hole Configuration Style: round longitudinal hole
Externally Relieved Body Diameter Quantity: 3
Material: steel corrosion resisting overall
Thread Series Designator: unc

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
704648-1	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-939-0489?

The FSCG of the NSN 5305-00-939-0489 is 5305

Does the NSN 5305-00-939-0489 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-939-0489 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 5305-00-939-0489 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-939-0489 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 5305-00-939-0489 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Nov 3, 1965