5305-00-437-2178

Find complete technical information, availability, and procurement data for: 5305-00-437-2178
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-437-2178

Item Name Code

22846

Assigment Date

01/01/1963 (63 years ago)

2a thread class, right-hand thread direction, flat chamfer head style, 0.246 inches minimum and 0.256 inches maximum thread length, 0.550 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: 0.246 inches minimum and 0.256 inches maximum
Fastener Length: 0.550 inches nominal
Head Style: flat chamfer
Head Diameter: 0.438 inches nominal
Head Height: 0.063 inches nominal
Shoulder Diameter: 0.3112 inches minimum and 0.3117 inches maximum first shoulder
Shoulder Length: 0.164 inches minimum and 0.174 inches maximum first shoulder
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Shoulder Shape: round first shoulder
Material: steel comp 8630 overall
Material Document And Classification: mil-s-6050 mil spec single material response 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
147314	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-437-2178?

The FSCG of the NSN 5305-00-437-2178 is 5305

Does the NSN 5305-00-437-2178 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-437-2178 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 5305-00-437-2178 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-437-2178 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 5305-00-437-2178 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963