5305-01-561-8943

Find complete technical information, availability, and procurement data for: 5305-01-561-8943
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-561-8943

Item Name Code

06660

Assigment Date

03/21/2008 (18 years ago)

The outer casing of a centrifugal fan designed to inclose an impeller. It is usually of one piece construction containing inlet(s) and outlets.

2a thread class, right-hand thread direction, 0.195 inches minimum and 0.208 inches maximum head diameter, pan no. 2 head style, 0.292 inches minimum and 0.312 inches maximum 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
Fastener Length: 0.292 inches minimum and 0.312 inches maximum
Head Style: pan no. 2
Head Diameter: 0.195 inches minimum and 0.208 inches maximum
Head Height: 0.070 inches minimum and 0.080 inches maximum
Washer Quantity: 2
Internal Drive Style: cross recess type ii
Nominal Thread Diameter: 0.122 inches
Thread Quantity Per Inch: 40
Secondary Washer Relationship To Primary Washer: not identical
Secondary Washer Style: flat
Primary Washer Outside Diameter: 0.195 inches minimum and 0.208 inches maximum
Secondary Washer Outside Diameter: 0.204 inches minimum and 0.224 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.031 inches minimum and 0.047 inches maximum
Secondary Washer Material Thickness: 0.028 inches minimum and 0.036 inches maximum
Part Name Assigned By Controlling Agency: screw, pan head, phillips, double sems
Material: steel property class 18.8 fastener
Material: steel property class 18.8 primary washer
Material: steel property class 18.8 secondary washer
Surface Treatment: passivate overall
Surface Treatment Document And Classification: astm a380 assn std single treatment response 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
A3307785-12	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-01-561-8943?

The FSCG of the NSN 5305-01-561-8943 is 5305

Does the NSN 5305-01-561-8943 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-561-8943 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 5305-01-561-8943 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-561-8943 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 5305-01-561-8943 was assigned to the Federal Catalog?

It was assigned 18 years ago, on Fri, Mar 21, 2008