5305-00-253-8050

Find complete technical information, availability, and procurement data for: 5305-00-253-8050
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-253-8050

Item Name Code

01852

Assigment Date

07/30/1969 (57 years ago)

2a thread class, right-hand thread direction, pan head style, 2.500 inches nominal fastener length, 1.700 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: 1.700 inches minimum
Fastener Length: 2.500 inches nominal
Head Style: pan
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
First Diameter From Head: 0.133 inches minimum and 0.138 inches maximum
Second Diameter From Head: 0.092 inches minimum and 0.097 inches maximum
Third Diameter From Head: 0.133 inches minimum and 0.138 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 1.060 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 2.180 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 2.500 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 80000 pounds per square inch
Externally Relieved Body Diameter Quantity: 2
Special Features: 1st and 3rd dia thd 6-32
Material: steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 overall
Material Document And Classification: qq-s-763 fed spec all material responses or 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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
G7123-235	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-253-8050?

The FSCG of the NSN 5305-00-253-8050 is 5305

Does the NSN 5305-00-253-8050 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-253-8050 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 5305-00-253-8050 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-253-8050 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 5305-00-253-8050 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Jul 30, 1969