5305-01-206-8399

Find complete technical information, availability, and procurement data for: 5305-01-206-8399
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-206-8399

Item Name Code

01852

Assigment Date

04/23/1985 (41 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

0.747 inches minimum and 0.750 inches maximum fastener length, 3a thread class, hexagon head style, right-hand thread direction, 0.330 inches nominal thread length

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: 0.330 inches nominal
Fastener Length: 0.747 inches minimum and 0.750 inches maximum
Head Style: hexagon
Head Height: 0.080 inches minimum and 0.093 inches maximum
Width Between Flats: 0.243 inches minimum and 0.251 inches maximum
First Diameter From Head: 0.096 inches minimum and 0.100 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.420 inches nominal
Internal Drive Style: tri-wing recess
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams6322 assn std 2nd material response overall
Surface Treatment: cadmium and chromate bearing surface of head
Surface Treatment: cadmium and chromate fastener
Surface Treatment: cadmium and chromate head
Surface Treatment: cadmium grip
Surface Treatment Document And Classification: hs74 type 2 class 3 mfr ref single treatment response grip
Surface Treatment Document And Classification: qq-p-416,type 2 class 2 fed spec single treatment response head
Surface Treatment Document And Classification: qq-p-416,type 2 class 2 fed spec single treatment response bearing surface of head
Surface Treatment Document And Classification: qq-p-416,type 2 class 2 fed spec single treatment response fastener
Thread Series Designator: unjc

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
768228-2	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-206-8399?

The FSCG of the NSN 5305-01-206-8399 is 5305

Does the NSN 5305-01-206-8399 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-206-8399 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 5305-01-206-8399 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-206-8399 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 5305-01-206-8399 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Apr 23, 1985