55-0206-3

View detailed technical data, stock status, and sourcing information for: 55-0206-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-051-0068

Item Name Code

06657

Assigment Date

11/19/1977 (48 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.183 inches minimum and 0.250 inches maximum thread length, 2a thread class, pan no. 2 head style, 0.219 inches minimum and 0.250 inches maximum fastener 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: 2a
Thread Direction: right-hand
Thread Length: 0.183 inches minimum and 0.250 inches maximum
Fastener Length: 0.219 inches minimum and 0.250 inches maximum
Head Style: pan no. 2
Head Diameter: 0.155 inches minimum and 0.167 inches maximum
Head Height: 0.045 inches minimum and 0.053 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Minimum Tensile Strength: 55000 pounds per square inch
Screw Material: steel
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response
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
55-0206-3	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-051-0068?

The FSCG of the NSN 5305-01-051-0068 is 5305

Does the NSN 5305-01-051-0068 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-051-0068 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 5305-01-051-0068 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-051-0068 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 5305-01-051-0068 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Nov 19, 1977