NAS560HK4-5

View detailed technical data, stock status, and sourcing information for: NAS560HK4-5
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part NAS560HK4-5 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-881-0693

Item Name Code

06657

Assigment Date

01/01/1960 (66 years ago)

flat countersunk head style, 3a thread class, 0.823 inches minimum and 0.868 inches maximum fastener length, 0.425 inches minimum and 0.571 inches maximum thread length, right-hand thread direction

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: 0.425 inches minimum and 0.571 inches maximum
Fastener Length: 0.823 inches minimum and 0.868 inches maximum
Head Style: flat countersunk
Head Diameter: 0.452 inches minimum and 0.510 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 140000 pounds per square inch
Hardness Rating: 248.0 brinell standard minimum and 321.0 brinell standard maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: iron alloy 660
Thread Series Designator: unf

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
NAS560HK4-5	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-881-0693?

The FSCG of the NSN 5305-00-881-0693 is 5305

Does the NSN 5305-00-881-0693 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-881-0693 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 5305-00-881-0693 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-881-0693 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 5305-00-881-0693 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960