5305-00-478-0273

Find complete technical information, availability, and procurement data for: 5305-00-478-0273
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-478-0273

Item Name Code

18257

Assigment Date

05/22/1970 (56 years ago)

0.469 inches minimum and 0.500 inches maximum fastener length, right-hand thread direction, 2a thread class, 0.500 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: 0.500 inches maximum
Fastener Length: 0.469 inches minimum and 0.500 inches maximum
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum overall
Minimum Yield Strength: 30000 pounds per square inch
Surface Finish: 63.0 microinches threads
Material: steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303f or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 385 or steel comp 384 overall
Surface Treatment: passivate overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 10p style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-812-6443	No Name Available	03/01/1989

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
3148042	Hexagon Head Cap Screw
5305PL0729602	Hexagon Head Cap Screw
E101286 PC NO 79	Hexagon Head Cap Screw
E102170 PC NO 79	Hexagon Head Cap Screw
E104459 FIND NO 79	Hexagon Head Cap Screw
E104555 FIND 78	Hexagon Head Cap Screw
E106482 PART NO 103	Hexagon Head Cap Screw
MS35307-355	Hexagon Head Cap Screw
MS35307-55	Hexagon Head Cap Screw
WG107143	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-478-0273?

The FSCG of the NSN 5305-00-478-0273 is 5305

Does the NSN 5305-00-478-0273 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-478-0273 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 5305-00-478-0273 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-478-0273 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 5305-00-478-0273 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, May 22, 1970