5305-01-005-3188

Find complete technical information, availability, and procurement data for: 5305-01-005-3188
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-005-3188

Item Name Code

06673

Assigment Date

06/23/1975 (51 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

1.550 inches nominal fastener length, 2a thread class, 0.187 inches nominal point diameter, 0.800 inches nominal thread length, 0.240 inches nominal point 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 Length: 0.800 inches nominal
Fastener Length: 1.550 inches nominal
Point Length: 0.240 inches nominal
Point Diameter: 0.187 inches nominal
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Special Features: with 0.048 in. dia hole drilled thru shank,1.340 in. from head
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
3323306	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-01-005-3188?

The FSCG of the NSN 5305-01-005-3188 is 5305

Does NSN 5305-01-005-3188 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 5305-01-005-3188 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-005-3188 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 5305-01-005-3188 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Mon, Jun 23, 1975