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5305-00-071-2068

Find complete technical information, availability, and procurement data for: 5305-00-071-2068

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5305-00-071-2068
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-071-2068
Item Name Code
18257
Assigment Date
01/01/1960 (66 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.

1.313 inches minimum and 1.375 inches maximum fastener length, hexagon head style, right-hand thread direction, 2a thread class, 1.121 inches minimum and 1.375 inches maximum 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
2a
Thread Direction
right-hand
Thread Length
1.121 inches minimum and 1.375 inches maximum
Fastener Length
1.313 inches minimum and 1.375 inches maximum
Head Style
hexagon
Head Height
0.302 inches minimum and 0.323 inches maximum
Width Between Flats
0.736 inches minimum and 0.750 inches maximum
End Item Identification
multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Nominal Thread Diameter
0.500 inches
Thread Quantity Per Inch
13
Minimum Tensile Strength
150000 pounds per square inch
Surface Finish
63.0 microinches threads
Material
steel overall
Material Document And Classification
saej429 grade 8 assn std single material response or astma354 grade bd assn std single material response overall
Surface Treatment
zinc and chromate overall
Surface Treatment Document And Classification
astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5306-00-017-3826 No Name Available 07/08/1968
5305-00-022-8007 No Name Available 10/28/1998
5305-00-022-8015 No Name Available 03/01/1980
5305-00-285-3866 No Name Available 09/01/1980
5305-00-465-6124 No Name Available 03/21/1974
5305-00-638-2220 No Name Available 10/01/1980

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
10082372 Hexagon Head Cap Screw
5305000712068 Hexagon Head Cap Screw
71145-112 Hexagon Head Cap Screw
AES01C500A37AW9A91 Hexagon Head Cap Screw
B1821BH050C138N Hexagon Head Cap Screw
G1921 Hexagon Head Cap Screw
G1921BH050C138N Hexagon Head Cap Screw
MS90728-112 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-071-2068?
The FSCG of the NSN 5305-00-071-2068 is 5305
Does the NSN 5305-00-071-2068 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-071-2068 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 5305-00-071-2068 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-071-2068 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 5305-00-071-2068 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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