5305-00-178-0682

Find complete technical information, availability, and procurement data for: 5305-00-178-0682
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-178-0682

Item Name Code

06657

Assigment Date

02/24/1973 (53 years ago)

2a thread class, flat countersunk head style, right-hand thread direction, 0.199 inches minimum and 0.306 inches maximum thread length, 0.344 inches minimum and 0.375 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: 2a
Thread Direction: right-hand
Thread Length: 0.199 inches minimum and 0.306 inches maximum
Fastener Length: 0.344 inches minimum and 0.375 inches maximum
Head Style: flat countersunk
Head Diameter: 0.257 inches minimum and 0.279 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel comp 302 or steel comp 304 or steel comp 303
Screw Material Document And Classification: qq-s-763 fed spec 1st material response or qq-s-763 fed spec 2nd material response or astm a582 assn std 3rd material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: mil-f-14072 finish e300 mil spec single treatment response
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
412113-606	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-178-0682?

The FSCG of the NSN 5305-00-178-0682 is 5305

Does the NSN 5305-00-178-0682 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-178-0682 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 5305-00-178-0682 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-178-0682 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 5305-00-178-0682 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sat, Feb 24, 1973