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5305-00-059-2955

Find complete technical information, availability, and procurement data for: 5305-00-059-2955

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5305-00-059-2955
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-059-2955
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.

hexagon head style, 2a thread class, 0.969 inches minimum and 1.031 inches maximum thread length, 1.094 inches minimum and 1.156 inches maximum 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
0.969 inches minimum and 1.031 inches maximum
Fastener Length
1.094 inches minimum and 1.156 inches maximum
Head Style
hexagon
Head Height
0.281 inches minimum and 0.291 inches maximum
Width Between Flats
0.612 inches minimum and 0.625 inches maximum
Locking Feature
distortions bearing surface of head
Nominal Thread Diameter
0.438 inches
Features Provided
unfinished head
Thread Quantity Per Inch
20
Minimum Tensile Strength
150000 pounds per square inch
Hardness Rating
302.0 brinell standard minimum and 351.0 brinell standard maximum overall
Minimum Yield Strength
130000 pounds per square inch
Material
steel overall
Surface Treatment
cadmium or zinc overall
Surface Treatment Document And Classification
qq-p-416,ty 1 cl 2 fed spec 1st treatment response or qq-z-325,ty 1 cl2 fed spec 2nd 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
5306-00-022-1967 No Name Available 09/03/1998
5306-00-022-2049 No Name Available 02/01/1982
5306-00-042-9013 No Name Available 12/01/1992
5306-00-433-3620 No Name Available 12/01/1988

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
MS35764-1050 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-059-2955?
The FSCG of the NSN 5305-00-059-2955 is 5305
Does the NSN 5305-00-059-2955 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-059-2955 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 5305-00-059-2955 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-059-2955 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 5305-00-059-2955 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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