497A63903-9

View detailed technical data, stock status, and sourcing information for: 497A63903-9
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-417-8963

Item Name Code

40280

Assigment Date

08/17/1995 (30 years ago)

A headed or headless fastener externally or internally threaded. It is intended for fastening by welding the head, unthreaded end or welding tip. If headed, the head is not designed to be self-holding, nor to be turned with a wrench or inserted driver, nor does the head have small raised projections on the top or underside to facilitate welding. See also bolt, welding.

right-hand left internal (includes thru thread) thread direction, right-hand right external thread direction, 2a right external thread class, 2b left internal (includes thru thread) thread class, 1.000 inches nominal right external 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 right external
Thread Class: 2b left internal (includes thru thread)
Thread Direction: right-hand right external
Thread Direction: right-hand left internal (includes thru thread)
Thread Length: 1.000 inches nominal right external
Length: 1.370 inches nominal
Cross-Sectional Shape: hexagon
Width Across Flats: 0.551 inches minimum and 0.564 inches maximum
Thread Quantity Per Inch: 16 right external
Thread Quantity Per Inch: 16 left internal (includes thru thread)
Nominal Thread Size: 0.375 inches left internal (includes thru thread)
Nominal Thread Size: 0.375 inches right external
Right Projection Diameter: 0.368 inches minimum and 0.375 inches maximum
Right Projection Length: 1.920 inches nominal
Style Designator: left internal and right external thread
Thread Series Designator: unc left internal (includes thru thread)
Thread Series Designator: unc right external

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
497A63903-9	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-417-8963?

The FSCG of the NSN 5340-01-417-8963 is 5340

Does NSN 5340-01-417-8963 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 5340-01-417-8963 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-417-8963 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-417-8963 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Aug 17, 1995