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.

pan no. 2 head style, 0.195 inches minimum and 0.208 inches maximum head diameter, 0.292 inches minimum and 0.312 inches maximum fastener length, 2a thread class, right-hand thread direction

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