81-126818-1REVB

View detailed technical data, stock status, and sourcing information for: 81-126818-1REVB
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-778-6452

Item Name Code

22846

Assigment Date

01/01/1962 (64 years ago)

0.115 inches minimum thread length, 2a thread class, right-hand thread direction, flat chamfer head style, 0.221 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.115 inches minimum
Fastener Length: 0.221 inches nominal
Head Style: flat chamfer
Head Diameter: 0.244 inches nominal
Head Height: 0.091 inches nominal
Shoulder Diameter: 0.1240 inches nominal first shoulder
Shoulder Length: 0.098 inches nominal first shoulder
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Hardness Rating: 72.0 rockwell b minimum and 80.0 rockwell b maximum overall
Minimum Yield Strength: 35000 pounds per square inch
Shoulder Shape: round first shoulder
Part Name Assigned By Controlling Agency: navy special project
Material: steel corrosion resisting overall
Surface Treatment: passivate overall
Thread Series Designator: unc

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
81-126818-1REVB	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-778-6452?

The FSCG of the NSN 5305-00-778-6452 is 5305

Does the NSN 5305-00-778-6452 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-778-6452 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 5305-00-778-6452 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-778-6452 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 5305-00-778-6452 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962