5305-01-057-6676

Find complete technical information, availability, and procurement data for: 5305-01-057-6676
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-057-6676

Item Name Code

06657

Assigment Date

03/17/1978 (48 years ago)

flat countersunk head style, 2.453 inches minimum and 2.498 inches maximum fastener length, 3a thread class, right-hand thread direction, 0.376 inches minimum and 0.451 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.376 inches minimum and 0.451 inches maximum
Fastener Length: 2.453 inches minimum and 2.498 inches maximum
Head Style: flat countersunk
Head Diameter: 0.338 inches minimum and 0.387 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle: 100.0 degrees nominal
Screw Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response
Thread Series Designator: unjf
Specification/Standard Data: 81205-bacb30fl manufacturers 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
BACB30FL3-33	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-057-6676?

The FSCG of the NSN 5305-01-057-6676 is 5305

Does the NSN 5305-01-057-6676 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-057-6676 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 5305-01-057-6676 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-057-6676 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 5305-01-057-6676 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Mar 17, 1978