HS2623-4Z-11Y

View detailed technical data, stock status, and sourcing information for: HS2623-4Z-11Y
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-891-1730

Item Name Code

29294

Assigment Date

01/20/1967 (59 years ago)

flat countersunk head style, 0.371 inches minimum and 0.438 inches maximum thread length, right-hand thread direction, 3a thread class, 1.069 inches minimum and 1.116 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: 0.371 inches minimum and 0.438 inches maximum
Fastener Length: 1.069 inches minimum and 1.116 inches maximum
Head Style: flat countersunk
Head Diameter: 0.497 inches minimum and 0.507 inches maximum
Grip Diameter: 0.2797 inches minimum and 0.2807 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.678 inches minimum and 0.698 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel comp h11 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: mac ps13145 fscm 76301 mfr ref all treatment responses overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-548-5046	No Name Available	08/01/1980

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
66117H4-11	Close Tolerance Screw
66904H4-11	Close Tolerance Screw
HS2623-4Z-11Y	Close Tolerance Screw
HT308-4-11	Close Tolerance Screw
HT8115-4-11Y	Close Tolerance Screw
ST3M547-4-11	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-891-1730?

The FSCG of the NSN 5305-00-891-1730 is 5305

Does the NSN 5305-00-891-1730 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-891-1730 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 5305-00-891-1730 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-891-1730 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 5305-00-891-1730 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Jan 20, 1967