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5305-00-225-9091

Find complete technical information, availability, and procurement data for: 5305-00-225-9091

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5305-00-225-9091
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-225-9091
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, 0.875 inches minimum thread length, right-hand thread direction, 2a thread class, 1.250 inches nominal fastener 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
0.875 inches minimum
Fastener Length
1.250 inches nominal
Head Style
hexagon
Head Height
0.195 inches minimum and 0.211 inches maximum
Width Between Flats
0.489 inches minimum and 0.500 inches maximum
Nominal Thread Diameter
0.312 inches
Thread Quantity Per Inch
24
Minimum Tensile Strength
120000 pounds per square inch
Hardness Rating
23.0 rockwell c minimum and 32.0 rockwell c maximum overall
Material
steel overall
Surface Treatment
cadmium and chromate overall
Thread Series Designator
unf
Nondefinitive Spec/Std Data
2 type and 10p style and 5 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5306-00-012-3777 No Name Available 01/01/1993
5306-00-018-2691 No Name Available 08/03/1970
5306-00-021-5955 No Name Available 01/01/1993
5306-00-042-7893 No Name Available 12/01/1992
5306-00-206-4298 No Name Available 09/20/2012
5306-00-591-9281 No Name Available 03/18/1968
5306-00-637-8459 No Name Available 03/18/1968
5306-01-092-4204 No Name Available 10/01/1989

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
0251425 Hexagon Head Cap Screw
34699 Hexagon Head Cap Screw
407430497 Hexagon Head Cap Screw
5305002259091 Hexagon Head Cap Screw
70008-36 Hexagon Head Cap Screw
A10907 Hexagon Head Cap Screw
BACS12C636 Hexagon Head Cap Screw
MS90726-36 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-225-9091?
The FSCG of the NSN 5305-00-225-9091 is 5305
Does the NSN 5305-00-225-9091 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-225-9091 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 5305-00-225-9091 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-225-9091 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 5305-00-225-9091 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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