5305-00-508-5551

Find complete technical information, availability, and procurement data for: 5305-00-508-5551
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 NSN 5305-00-508-5551 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

5305-00-508-5551

Item Name Code

22846

Assigment Date

07/26/1974 (51 years ago)

0.506 inches minimum and 0.556 inches maximum thread length, 3a thread class, flat countersunk head style, right-hand thread direction, 2.454 inches minimum and 2.484 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: 0.506 inches minimum and 0.556 inches maximum
Fastener Length: 2.454 inches minimum and 2.484 inches maximum
Head Style: flat countersunk
Head Diameter: 0.474 inches minimum and 0.479 inches maximum
Shoulder Diameter: 0.342 inches minimum and 0.343 inches maximum first shoulder
Shoulder Length: 1.871 inches minimum and 1.891 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec all treatment responses overall
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
10668145-31	Shoulder Screw
106681Y5-31	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-508-5551?

The FSCG of the NSN 5305-00-508-5551 is 5305

Does the NSN 5305-00-508-5551 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-508-5551 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 5305-00-508-5551 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-508-5551 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 5305-00-508-5551 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Fri, Jul 26, 1974