0.190-24UNRC-3AX0.500 IN LG

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-417-2509

Item Name Code

16282

Assigment Date

08/03/1995 (31 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.

0.500 inches nominal fastener length, 0.185 inches minimum and 0.190 inches maximum head height, flat fillister head style, 3a thread class, 0.303 inches minimum and 0.312 inches maximum head diameter

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
Fastener Length: 0.500 inches nominal
Head Style: flat fillister
Head Diameter: 0.303 inches minimum and 0.312 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 24
Material: nickel alloy overall
Material: plastic polyamide (nylon) locking feature
Thread Series Designator: unrc

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
0.190-24UNRC-3A X 0.500 IN LG	Socket Head Cap Screw
0.190-24UNRC-3AX0.500 IN LG	Socket Head Cap Screw
211048561	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-417-2509?

The FSCG of the NSN 5305-01-417-2509 is 5305

Does the NSN 5305-01-417-2509 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-417-2509 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 5305-01-417-2509 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-417-2509 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 5305-01-417-2509 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Thu, Aug 3, 1995