5305-01-273-9474

Find complete technical information, availability, and procurement data for: 5305-01-273-9474
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-273-9474

Item Name Code

18257

Assigment Date

03/03/1988 (38 years ago)

3a thread class, flat countersunk undercut head style, 2.496 inches nominal fastener length, right-hand thread direction, 2.496 inches nominal 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: 3a
Thread Direction: right-hand
Thread Length: 2.496 inches nominal
Fastener Length: 2.496 inches nominal
Head Style: flat countersunk undercut
Head Diameter: 0.932 inches minimum and 0.982 inches maximum
Head Height: 0.254 inches minimum and 0.255 inches maximum
End Item Identification: a4 bradley fighting vehicle; a3 bradley fighting vehicle
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Hardness Rating: 26.0 rockwell c minimum and 45.0 rockwell c maximum overall
Countersink Angle: 80.0 degrees minimum and 84.0 degrees maximum
Material: steel overall
Material Document And Classification: fed-std-64 fed std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 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
12576362	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-273-9474?

The FSCG of the NSN 5305-01-273-9474 is 5305

Does the NSN 5305-01-273-9474 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-273-9474 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 5305-01-273-9474 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-273-9474 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 5305-01-273-9474 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Mar 3, 1988