5305-00-227-1254

Find complete technical information, availability, and procurement data for: 5305-00-227-1254
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-227-1254

Item Name Code

22846

Assigment Date

05/17/1973 (53 years ago)

3a thread class, 1.203 inches minimum and 1.250 inches maximum fastener length, right-hand thread direction, 0.443 inches minimum and 0.510 inches maximum thread length, flat countersunk head style

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: 0.443 inches minimum and 0.510 inches maximum
Fastener Length: 1.203 inches minimum and 1.250 inches maximum
Head Style: flat countersunk
Head Diameter: 0.502 inches minimum and 0.507 inches maximum
Shoulder Diameter: 0.280 inches minimum and 0.281 inches maximum first shoulder
Shoulder Length: 0.645 inches minimum and 0.667 inches maximum first shoulder
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Hardness Rating: 24.0 rockwell c minimum and 44.0 rockwell c maximum overall
Countersink Angle: 100.0 degrees nominal
Shoulder Shape: round first shoulder
Material: iron alloy 660 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
3M218	Shoulder Screw
3M218-4-12	Shoulder Screw
55979-4-12	Shoulder Screw
HT1030-4-12	Shoulder Screw
HT42N12	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-227-1254?

The FSCG of the NSN 5305-00-227-1254 is 5305

Does the NSN 5305-00-227-1254 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-227-1254 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 5305-00-227-1254 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-227-1254 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 5305-00-227-1254 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Thu, May 17, 1973