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5305-00-903-7298

Find complete technical information, availability, and procurement data for: 5305-00-903-7298

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5305-00-903-7298
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-903-7298
Item Name Code
18257
Assigment Date
01/01/1960 (66 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

2a thread class, hexagon head style, 2.500 inches nominal fastener length, right-hand thread direction, 1.750 inches minimum and 2.000 inches maximum 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
1.750 inches minimum and 2.000 inches maximum
Fastener Length
2.500 inches nominal
Head Style
hexagon
Head Height
0.455 inches minimum and 0.483 inches maximum
Width Between Flats
1.100 inches minimum and 1.125 inches maximum
Nominal Thread Diameter
0.750 inches
Thread Quantity Per Inch
10
Minimum Tensile Strength
120000 pounds per square inch
Hardness Rating
23.0 rockwell c minimum and 32.0 rockwell c maximum overall
Minimum Yield Strength
85000 pounds per square inch
Material
steel overall
Surface Treatment
cadmium overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-207-2574 No Name Available 07/03/1968
5305-00-270-7574 No Name Available 07/03/1968
5305-00-450-0381 No Name Available 07/14/1972
5305-00-637-9461 No Name Available 04/17/1968
5305-00-639-1699 No Name Available 10/28/1968

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
5305009037298 Hexagon Head Cap Screw
MS90725-189 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-903-7298?
The FSCG of the NSN 5305-00-903-7298 is 5305
Does the NSN 5305-00-903-7298 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-903-7298 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 5305-00-903-7298 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-903-7298 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 5305-00-903-7298 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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