5305-01-477-0777

Find complete technical information, availability, and procurement data for: 5305-01-477-0777
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-477-0777

Item Name Code

06657

Assigment Date

07/31/2000 (25 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

flat countersunk head style, 2a thread class, right-hand thread direction, 0.500 inches nominal thread length, 2.500 inches nominal 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: 0.500 inches nominal
Fastener Length: 2.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.225 inches nominal
Internal Drive Style: cross recess type ii
End Item Identification: navy equipment
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Countersink Angle: 82.0 degrees nominal
Screw Material: steel corrosion resisting
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: astm b380 assn std 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
7287158	Machine Screw
905698	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-477-0777?

The FSCG of the NSN 5305-01-477-0777 is 5305

Does the NSN 5305-01-477-0777 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-477-0777 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 5305-01-477-0777 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-477-0777 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 5305-01-477-0777 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Mon, Jul 31, 2000