5305-00-903-7807

Find complete technical information, availability, and procurement data for: 5305-00-903-7807
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-903-7807

Item Name Code

18257

Assigment Date

06/17/1966 (60 years ago)

1.210 inches minimum and 1.250 inches maximum fastener length, 2a thread class, right-hand thread direction, 0.750 inches minimum and 0.938 inches maximum thread length, 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
Thread Length: 0.750 inches minimum and 0.938 inches maximum
Fastener Length: 1.210 inches minimum and 1.250 inches maximum
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Hole Diameter: 0.062 inches nominal
Nominal Thread Diameter: 0.250 inches
Hole Quantity: 1
Hole Type: drilled
Thread Quantity Per Inch: 28
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
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 type 2 class 3 fed spec single treatment response overall
Thread Series Designator: unf

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
MS51096-309	Hexagon Head Cap Screw
NASM51096-309	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-903-7807?

The FSCG of the NSN 5305-00-903-7807 is 5305

Does the NSN 5305-00-903-7807 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-903-7807 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 5305-00-903-7807 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-903-7807 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 5305-00-903-7807 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Jun 17, 1966