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5305-00-068-0506

Find complete technical information, availability, and procurement data for: 5305-00-068-0506

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5305-00-068-0506
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-068-0506
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, hexagon head style, right-hand thread direction, 0.750 inches nominal fastener length, 0.750 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
0.750 inches maximum
Fastener Length
0.750 inches nominal
Head Style
hexagon
Head Height
0.150 inches minimum and 0.163 inches maximum
Width Between Flats
0.428 inches minimum and 0.438 inches maximum
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
28
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,type 2,class 3 fed spec single treatment response overall
Thread Series Designator
unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-010-0001 No Name Available 05/01/1983
5305-00-012-3453 No Name Available 09/01/1983
5305-00-042-7797 No Name Available 06/01/1979
5305-00-206-9938 No Name Available 07/23/1974
5305-00-740-5083 No Name Available 10/07/1970
5305-00-757-8632 No Name Available 03/11/1973
5305-00-933-3831 No Name Available 12/13/1967
5305-01-114-0932 No Name Available 02/01/1983

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
0003436532 Hexagon Head Cap Screw
0702105 Hexagon Head Cap Screw
114-5 Hexagon Head Cap Screw
251552 Hexagon Head Cap Screw
2C412 Hexagon Head Cap Screw
326-0166-000 Hexagon Head Cap Screw
3436532 Hexagon Head Cap Screw
5305-068-0506 Hexagon Head Cap Screw
5305000680506 Hexagon Head Cap Screw
70008-6 Hexagon Head Cap Screw
801-1005 Hexagon Head Cap Screw
BACB30BL4-6 Hexagon Head Cap Screw
L6498-4 Hexagon Head Cap Screw
MS90726-6 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-068-0506?
The FSCG of the NSN 5305-00-068-0506 is 5305
Does the NSN 5305-00-068-0506 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-068-0506 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 5305-00-068-0506 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-068-0506 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 5305-00-068-0506 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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