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5305-00-950-2816

Find complete technical information, availability, and procurement data for: 5305-00-950-2816

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5305-00-950-2816
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-950-2816
Item Name Code
18257
Assigment Date
04/29/1966 (60 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.

hexagon head style, 2a thread class, right-hand thread direction, 1.500 inches nominal fastener length, 1.125 inches minimum 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
1.125 inches minimum
Fastener Length
1.500 inches nominal
Head Style
hexagon
Head Height
0.272 inches minimum and 0.291 inches maximum
Width Between Flats
0.612 inches minimum and 0.625 inches maximum
Hole Diameter
0.063 inches nominal
Nominal Thread Diameter
0.438 inches
Hole Quantity
1
Hole Type
drilled
Thread Quantity Per Inch
14
Minimum Tensile Strength
120000 pounds per square inch
Hardness Rating
23.0 rockwell c minimum and 32.0 rockwell c maximum overall
Hole Configuration Style
hexagon flats
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 3 fed spec single treatment response overall
Thread Series Designator
unc

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
10386501 Hexagon Head Cap Screw
MS51095-388 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-950-2816?
The FSCG of the NSN 5305-00-950-2816 is 5305
Does the NSN 5305-00-950-2816 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-950-2816 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 5305-00-950-2816 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-950-2816 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 5305-00-950-2816 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, Apr 29, 1966

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Surplus 328
New Material 829
Total 1,157
Availability of this item was last updated on: 06/22/2026 06:06 PM EDT. Stock levels and pricing are subject to change.

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