561-6404325-164

View detailed technical data, stock status, and sourcing information for: 561-6404325-164
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-434-0885

Item Name Code

18257

Assigment Date

07/19/1996 (30 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

right-hand thread direction, 0.500 inches nominal thread length, 2a thread class, hexagon head style, 0.500 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: 0.500 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Locking Feature: patch or pellet or strip threads
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Material: plastic polyamide (nylon) locking feature
Material: steel corrosion resisting overall
Thread Series Designator: unc

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
211049406	Hexagon Head Cap Screw
561-6404325-164	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-434-0885?

The FSCG of the NSN 5305-01-434-0885 is 5305

Does the NSN 5305-01-434-0885 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-434-0885 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 5305-01-434-0885 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-434-0885 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 5305-01-434-0885 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Jul 19, 1996