5305-01-026-1799

Find complete technical information, availability, and procurement data for: 5305-01-026-1799
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-026-1799

Item Name Code

16282

Assigment Date

08/19/1976 (49 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, right-hand thread direction, 0.500 inches nominal fastener length, flat chamfer head style, 0.333 inches nominal thread 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: 0.333 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Locking Feature: pellet threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.187 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 5680 pounds per square inch
Chamfer Angle: 30.0 degrees minimum and 45.0 degrees maximum
Material: steel overall
Surface Treatment: cadmium 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
1819721-033	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-026-1799?

The FSCG of the NSN 5305-01-026-1799 is 5305

Does the NSN 5305-01-026-1799 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-026-1799 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 5305-01-026-1799 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-026-1799 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 5305-01-026-1799 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Aug 19, 1976