HS1554

View detailed technical data, stock status, and sourcing information for: HS1554
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-151-8771

Item Name Code

15931

Assigment Date

12/23/1970 (55 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. See also washer (1), concave. Excludes:bearing, washer thrust.

as fabricated heat treatment, 0.202 inches minimum and 0.208 inches maximum hole diameter, 0.436 inches minimum and 0.438 inches maximum outside diameter, steel comp 1020 or steel comp 1018 or steel comp 1215 overall material, 0.060 inches minimum and 0.120 inches maximum material thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.202 inches minimum and 0.208 inches maximum
Outside Diameter: 0.436 inches minimum and 0.438 inches maximum
Material Thickness: 0.060 inches minimum and 0.120 inches maximum
Heat Treatment: as fabricated
Material: steel comp 1020 or steel comp 1018 or steel comp 1215 overall
Material Document And Classification: qq-s-634 fed spec 1st material response and qq-s-633-canceled fed spec 2nd material response and qq-s-637 fed spec 3rd material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall

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
HS1554	Convex Washer

FAQs

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

What is the FSCG of the NSN 5310-00-151-8771?

The FSCG of the NSN 5310-00-151-8771 is 5310

Does the NSN 5310-00-151-8771 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-151-8771 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 5310-00-151-8771 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-151-8771 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 5310-00-151-8771 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 23, 1970