6406821-3MOD211049044

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-417-2510

Item Name Code

16282

Assigment Date

08/03/1995 (30 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

3a thread class, 0.550 inches minimum and 0.562 inches maximum head diameter, 0.368 inches minimum and 0.375 inches maximum head height, 1.000 inches nominal fastener length, flat fillister head style

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: 1.000 inches nominal
Head Style: flat fillister
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 16
Material: plastic polyamide (nylon) locking feature
Material: steel corrosion resisting overall
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
0.375-16UNRC-3AX 1.000 IN LG	Socket Head Cap Screw
211049044	Socket Head Cap Screw
572-6406821-3	Socket Head Cap Screw
6406821-3MOD211049044	Socket Head Cap Screw
752-6406844-36	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-417-2510?

The FSCG of the NSN 5305-01-417-2510 is 5305

Does the NSN 5305-01-417-2510 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-417-2510 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 5305-01-417-2510 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-417-2510 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 5305-01-417-2510 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Aug 3, 1995