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5305-00-299-2370

Find complete technical information, availability, and procurement data for: 5305-00-299-2370

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5305-00-299-2370
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-299-2370
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.

2.000 inches nominal fastener length, right-hand thread direction, 2a thread class, 0.234 inches nominal head height, hexagon head style

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
Fastener Length
2.000 inches nominal
Head Style
hexagon
Head Height
0.234 inches nominal
Width Between Flats
0.562 inches nominal
Nominal Thread Diameter
0.375 inches
Features Provided
finished head
Thread Quantity Per Inch
16
Minimum Tensile Strength
75000 pounds per square inch
Hardness Rating
80.0 rockwell b minimum overall
Material Document And Classification
81349-mil-dtl-1222j, grade 2 mil spec all material responses overall
Surface Treatment Document And Classification
astm b633, type ii assn std all treatment responses overall
Thread Series Designator
unc
Nondefinitive Spec/Std Data
1 type and 2 condition as formed or stressed relieved grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5306-00-141-2900 No Name Available 02/01/1986
5306-00-174-9605 No Name Available 05/14/1979
5306-00-484-2324 No Name Available 02/27/1970
5306-00-514-7914 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
124-2266894 P/N 28 Hexagon Head Cap Screw
M1222RN6C232GCNZE Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-299-2370?
The FSCG of the NSN 5305-00-299-2370 is 5305
Does NSN 5305-00-299-2370 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 5305-00-299-2370 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-299-2370 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 5305-00-299-2370 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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