5305-00-498-6781

Find complete technical information, availability, and procurement data for: 5305-00-498-6781
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-498-6781

Item Name Code

18257

Assigment Date

03/29/1972 (54 years ago)

A switch actuated by a definite angular rotation of the switch shaft about its axis. It consists of a body,switch and a control,rotary switch. For items having rated actuation travel and pressure characteristics, see switch,sensitive. Excludes relay,rotary; switch,stepping; and switch,telephone (as modified).

right-hand thread direction, hexagon head style, 1.443 inches minimum thread length, 2.190 inches minimum and 2.250 inches maximum fastener length, 2a thread class

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: 1.443 inches minimum
Fastener Length: 2.190 inches minimum and 2.250 inches maximum
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Minimum Tensile Strength: 60000 pounds per square inch
Minimum Yield Strength: 27000 pounds per square inch
Surface Finish: 63.0 microinches threads
Material: copper alloy 462 or copper alloy 464 overall
Material Document And Classification: qq-b-637 fed spec all material responses overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type and 10p style

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
MS35309-416	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-498-6781?

The FSCG of the NSN 5305-00-498-6781 is 5305

Does the NSN 5305-00-498-6781 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-498-6781 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 5305-00-498-6781 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-498-6781 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 5305-00-498-6781 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Mar 29, 1972