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5305-00-225-8507

Find complete technical information, availability, and procurement data for: 5305-00-225-8507

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5305-00-225-8507
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-225-8507
Item Name Code
18257
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

0.874 inches minimum thread length, hexagon head style, right-hand thread direction, 2a thread class, 2.750 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
0.874 inches minimum
Fastener Length
2.750 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
18
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
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 and 5 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5306-00-010-8617 No Name Available 12/01/1979
5306-00-207-5655 No Name Available 05/14/1979
5306-00-297-0605 No Name Available 09/01/1980
5305-00-334-9951 No Name Available 01/03/1968
5306-00-982-9847 No Name Available 09/01/2023

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
0251401 Hexagon Head Cap Screw
0826V030 Hexagon Head Cap Screw
13207E5471FN88 Hexagon Head Cap Screw
1C544 Hexagon Head Cap Screw
5305002258507 Hexagon Head Cap Screw
B0511 Hexagon Head Cap Screw
B0511 15991 Hexagon Head Cap Screw
MS90725-43 Hexagon Head Cap Screw
NEN5568-5-161N18UNCX2-3-4IN86VCA Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-225-8507?
The FSCG of the NSN 5305-00-225-8507 is 5305
Does the NSN 5305-00-225-8507 have a Schedule B code assigned?
Yes, the Schedule B code is 8710000090
Does NSN 5305-00-225-8507 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 5305-00-225-8507 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-225-8507 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 5305-00-225-8507 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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