A320A186-0210

View detailed technical data, stock status, and sourcing information for: A320A186-0210
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-071-3390

Item Name Code

16282

Assigment Date

02/06/1979 (47 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

button head style, 0.166 inches minimum and 0.171 inches maximum fastener length, 0.130 inches minimum and 0.171 inches maximum thread length, right-hand thread direction, 3a thread class

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: 0.130 inches minimum and 0.171 inches maximum
Fastener Length: 0.166 inches minimum and 0.171 inches maximum
Head Style: button
Head Diameter: 0.154 inches minimum and 0.164 inches maximum
Head Height: 0.038 inches minimum and 0.046 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.086 inches
Width Across Flats: 0.050 inches nominal
Thread Quantity Per Inch: 56
Minimum Tensile Strength: 120000 pounds per square inch
Surface Finish: 63.0 microinches threads
Material: steel comp 410 or steel comp 416 overall
Material Document And Classification: qq-s-763 cond a fed spec 1st material response or astm a582 cond a assn std 2nd material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec 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
A320A186-0210	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-071-3390?

The FSCG of the NSN 5305-01-071-3390 is 5305

Does the NSN 5305-01-071-3390 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-071-3390 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 5305-01-071-3390 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-071-3390 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 5305-01-071-3390 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Feb 6, 1979