5305-01-255-4956

Find complete technical information, availability, and procurement data for: 5305-01-255-4956
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-255-4956

Item Name Code

06657

Assigment Date

05/21/1987 (39 years ago)

0.380 inches minimum and 0.455 inches maximum thread length, 3a thread class, right-hand thread direction, flat countersunk head style, 1.457 inches minimum and 1.502 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: 3a
Thread Direction: right-hand
Thread Length: 0.380 inches minimum and 0.455 inches maximum
Fastener Length: 1.457 inches minimum and 1.502 inches maximum
Head Style: flat countersunk
Head Diameter: 0.287 inches minimum and 0.334 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: nickel alloy x-750
Screw Material Document And Classification: ams5668 assn std single material response
Screw Surface Treatment: cadmium
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas560 professional/industrial association 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
NAS560XK2P17	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-255-4956?

The FSCG of the NSN 5305-01-255-4956 is 5305

Does the NSN 5305-01-255-4956 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-255-4956 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 5305-01-255-4956 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-255-4956 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 5305-01-255-4956 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, May 21, 1987