5340-01-499-0020

Find complete technical information, availability, and procurement data for: 5340-01-499-0020
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-499-0020

Item Name Code

20354

Assigment Date

07/10/2002 (24 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

plain mounting hole type, 3.375 inches nominal second leg length, 1.000 inches nominal second leg width, 4.094 inches nominal first leg length, seawolf class ssn; msl tb fairling end item identification

Product Characteristics

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

Mounting Hole Type: plain
First Leg Length: 4.094 inches nominal
Second Leg Length: 3.375 inches nominal
End Item Identification: seawolf class ssn; msl tb fairling
Second Leg Width: 1.000 inches nominal
First Leg Hole Diameter: 0.219 inches nominal
Second Leg Hole Diameter: 0.219 inches nominal
Second Leg Distance Between Hole Centers Along Length: 2.250 inches nominal
Second Leg Distance From Edge To Hole Center Along Width: 0.500 inches nominal
Second Leg Distance From Edge To Hole Center Along Length: 0.438 inches nominal
First Leg Thickness: 0.1875 inches nominal
Second Leg Thickness: 0.1875 inches nominal
Center Section Height: 2.183 inches nominal
Center Section Width: 1.000 inches nominal
Center Section Thickness: 0.1875 inches nominal
First Leg Width: 1.000 inches nominal
First Leg Distance Between Hole Centers Along Length: 1.625 inches nominal
First Leg Distance From Edge To Hole Center Along Width: 0.500 inches nominal
First Leg Distance From Edge To Hole Center Along Length: 0.281 inches nominal
First Leg Style: square
First Leg Hole Arrangement Style: two holes
Second Leg Style: square
Second Leg Hole Arrangement Style: two holes
Second Leg Relationship To First Leg: not identical
Second Leg Angle: 90.0 degrees nominal
First Leg Offset Angle: 90.0 degrees nominal
Part Name Assigned By Controlling Agency: bracket, magnet
Material: nickel alloy
Material Document And Classification: qq-n-281, class a, form 4, cold rolled and annealed fed spec single material response
Style Designator: offset double angle

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
704-6294477 ITEM 38	Double Angle Bracket

FAQs

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

What is the FSCG of the NSN 5340-01-499-0020?

The FSCG of the NSN 5340-01-499-0020 is 5340

Does NSN 5340-01-499-0020 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 5340-01-499-0020 contain precious materials?

Precious metal content is unknown

Does NSN 5340-01-499-0020 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 5340-01-499-0020 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Wed, Jul 10, 2002