5305-01-409-1978

Find complete technical information, availability, and procurement data for: 5305-01-409-1978
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-409-1978

Item Name Code

06657

Assigment Date

03/07/1995 (31 years ago)

pan head style, 3a thread class, 2.098 inches minimum and 2.188 inches maximum fastener length, 2.188 inches nominal thread length, 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: 2.188 inches nominal
Fastener Length: 2.098 inches minimum and 2.188 inches maximum
Head Style: pan
Head Diameter: 0.473 inches minimum and 0.492 inches maximum
Head Height: 0.162 inches minimum and 0.175 inches maximum
Internal Drive Style: cross recess type ii
Nominal Thread Diameter: 0.2500 inches
Thread Quantity Per Inch: 28
Screw Material: steel comp 4140 or steel comp e4340 or steel comp 8740
Screw Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416, ty2 cl2 fed spec 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
NAS604-35P	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-409-1978?

The FSCG of the NSN 5305-01-409-1978 is 5305

Does the NSN 5305-01-409-1978 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-409-1978 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 5305-01-409-1978 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-409-1978 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 5305-01-409-1978 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Tue, Mar 7, 1995