5305-01-221-8685

Find complete technical information, availability, and procurement data for: 5305-01-221-8685
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-221-8685

Item Name Code

41756

Assigment Date

12/04/1985 (40 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.

0.256 inches minimum and 0.270 inches maximum head diameter, cross recess type 1 internal drive style, 0.087 inches minimum and 0.097 inches maximum head height, 0.469 inches minimum and 0.500 inches maximum fastener length, pan head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 0.469 inches minimum and 0.500 inches maximum
Head Style: pan
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
Internal Drive Style: cross recess type 1
Nonmachine Thread Style: blunt (sf)
Nonmachine Nominal Thread Diameter: 0.138 inches
Material: steel comp 410 overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Nondefinitive Spec/Std Data: sf type or sw type or tt type

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
L320300003	Tapping Screw
MS51863-23C	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-01-221-8685?

The FSCG of the NSN 5305-01-221-8685 is 5305

Does the NSN 5305-01-221-8685 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-01-221-8685 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 5305-01-221-8685 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-221-8685 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 5305-01-221-8685 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Dec 4, 1985