5999-01-323-1626

Find complete technical information, availability, and procurement data for: 5999-01-323-1626
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5999 Miscellaneous Electrical and Electronic Components

National Stock Number

5999-01-323-1626

Item Name Code

20281

Assigment Date

07/23/1990 (36 years ago)

A flat metal or plastic item of various peripheral shapes having a solid (not laminated) cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole having a solid rectangular cross-section use disk, solid, plain. For round or hexagonal items with only one hole centrally located and with the length (thickness) exceeding 25 percent of the outside diameter or distance across peripheral flats, see spacer, sleeve. The thickness between the two parallel bearing surfaces must be 0.006 inch, (0.152 mm) or more for items less than 1/4 inch (6.35 mm) across the peripheral diameter, or smallest overall outside dimension, or must be 0.016 inch (0.406 mm) or more for items 1/4 inch (6.35 mm) or greater across the peripheral diameter or smallest overall outside dimension. For items with a thickness less than those indicated above, see shim. For items with one hole centrally located conforming to the above dimensional criteria use washer, flat or spacer, ring as applicable. When thickness and/or outside_diameter_or_smallest_overall_outside_dimension_is_designated_as_a_tolerance/dimension_the_maximum_dimension_will_be_used_to_determine_compliance._excludes:gasket;_insulator_(as_modified)_and_mounting_pad,_electrical-electronic_component.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

0.219 inches nominal hole diameter, 8.750 inches nominal overall length, 6.313 inches nominal overall width, 0.125 inches nominal outside corner radius, emi cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style: emi
Hole Diameter: 0.219 inches nominal
Overall Length: 8.750 inches nominal
Overall Width: 6.313 inches nominal
Outside Corner Radius: 0.125 inches nominal
Aperture Width: 4.937 inches nominal
Aperture Length: 7.374 inches nominal
Center To Center Distance Between Bolt Holes Along Width: 2.906 inches nominal
Center To Center Distance Between Bolt Holes Along Length: 2.750 inches nominal
Outside Edge To Bolt Hole Center Distance Along Width: 0.250 inches nominal
Outside Edge To Bolt Hole Center Distance Along Length: 0.250 inches nominal
Cross-Sectional Height: 0.083 inches minimum and 0.103 inches maximum
Bolt Hole Quantity: 10
Criticality Code Justification: zzzy
Environmental Protection Material Location: throughout rf shielding gasket
Special Features: item must comply with requirements of defense supply center columbus production standard no. lo4322
Material: nickel alloy emi/rfi conductor
Material: rubber silicone class q environmental seal
Style Designator: non-circular
Reference Number Differentiating Characteristics: reference number differentiating material will be in accordance with naval inventory control point activity hx quality control. manufacturing and testing specifications available at the dla icp.

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
117908-2	Electronic Shielding Gasket
LO4322	Electronic Shielding Gasket

FAQs

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

What is the FSCG of the NSN 5999-01-323-1626?

The FSCG of the NSN 5999-01-323-1626 is 5999

Does the NSN 5999-01-323-1626 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5999-01-323-1626 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 5999-01-323-1626 contain precious materials?

Item does not contain precious metal.

Does NSN 5999-01-323-1626 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 5999-01-323-1626 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Mon, Jul 23, 1990