5305-01-656-0449

Find complete technical information, availability, and procurement data for: 5305-01-656-0449
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-656-0449

Item Name Code

06657

Assigment Date

06/15/2016 (10 years ago)

An item designed to be fitted over the nose to prevent escape of air during expiratory volume measurement.

flat countersunk head style, 0.338 inches nominal thread length, 0.573 inches minimum and 0.603 inches maximum fastener length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.338 inches nominal
Fastener Length: 0.573 inches minimum and 0.603 inches maximum
Head Style: flat countersunk
Head Diameter: 0.339 inches minimum and 0.381 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.1900 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: bolt
Screw Material: steel comp 4140 or steel comp 4340 or steel comp e4340 or steel comp 8740
Bearing Surface Of Head Surface Treatment: cadmium
Head Surface Treatment: cadmium
Screw Surface Treatment: cadmium
Shank Surface Treatment: cadmium
Bearing Surface Of Head Surface Treatment Document And Classification: ams-qq-p-416, type ii, class 2 assn std single treatment response
Head Surface Treatment Document And Classification: ams-qq-p-416, type ii, class 2 assn std single treatment response
Screw Surface Treatment Document And Classification: ams-qq-p-416, type ii, class 2 assn std single treatment response
Shank Surface Treatment Document And Classification: ams-qq-p-416, type ii, class 2 assn std single treatment response
Thread Series Designator: unjf

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
NAS1790-3-4	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-656-0449?

The FSCG of the NSN 5305-01-656-0449 is 5305

Does the NSN 5305-01-656-0449 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-656-0449 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 5305-01-656-0449 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-656-0449 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 5305-01-656-0449 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Wed, Jun 15, 2016