65-6-20

View detailed technical data, stock status, and sourcing information for: 65-6-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-269-3216

Item Name Code

18257

Assigment Date

01/01/1963 (63 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.

2a thread class, 1.000 inches minimum and 1.188 inches maximum thread length, hexagon head style, 2.000 inches nominal 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: 1.000 inches minimum and 1.188 inches maximum
Fastener Length: 2.000 inches nominal
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 32.0 rockwell c maximum overall
Minimum Yield Strength: 85000 pounds per square inch
Material: steel overall
Material Document And Classification: sae gr 5 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type and 10p style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-018-0130	No Name Available	05/01/1980
5306-00-042-8451	No Name Available	12/01/1979
5305-00-400-5524	No Name Available	02/27/1970
5305-00-576-1430	No Name Available	10/28/1968
5305-00-637-4646	No Name Available	04/01/1985
5305-00-844-1984	No Name Available	04/01/1983
5305-00-849-1996	No Name Available	12/01/1982
5305-00-890-4805	No Name Available	09/01/1972
5305-01-175-3668	No Name Available	06/01/1986

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
07722-332	Hexagon Head Cap Screw
13207E5470FN5	Hexagon Head Cap Screw
251406	Hexagon Head Cap Screw
35A2D117	Hexagon Head Cap Screw
5305002693216	Hexagon Head Cap Screw
5305PL0796645	Hexagon Head Cap Screw
65-6-20	Hexagon Head Cap Screw
70009-66	Hexagon Head Cap Screw
907842	Hexagon Head Cap Screw
95103818	Hexagon Head Cap Screw
G49-037200	Hexagon Head Cap Screw
MS35291-66	Hexagon Head Cap Screw
MS35297-66	Hexagon Head Cap Screw
MS90725-66	Hexagon Head Cap Screw
Q15-066200	Hexagon Head Cap Screw
SK-11002-10	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-269-3216?

The FSCG of the NSN 5305-00-269-3216 is 5305

Does the NSN 5305-00-269-3216 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-269-3216 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 5305-00-269-3216 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-269-3216 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 5305-00-269-3216 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963