5330-00-477-1990

Find complete technical information, availability, and procurement data for: 5330-00-477-1990
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5330 Packing and Gasket Materials

National Stock Number

5330-00-477-1990

Item Name Code

50336

Assigment Date

06/14/1971 (55 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.500 inches nominal flange thickness, 4.092 inches minimum and 4.094 inches maximum body outside diameter, 2.562 inches nominal aperture diameter, 0.875 inches nominal overall height, 5.250 inches nominal bolt circle diameter

Product Characteristics

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

Bolt Circle Diameter: 5.250 inches nominal
Flange Thickness: 0.500 inches nominal
Overall Height: 0.875 inches nominal
Aperture Diameter: 2.562 inches nominal
Body Outside Diameter: 4.092 inches minimum and 4.094 inches maximum
Bolt Hole Quantity: 6
Bolt Hole Diameter: 0.406 inches nominal
Mounting Flange Diameter: 6.375 inches nominal
Seal Seat Diameter: 3.313 inches nominal
Seal Seat Depth: 0.688 inches nominal
Special Features: seal seat dia chamfer 45 deg by 0.250 in.
Material: steel overall
Style Designator: flanged

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
330-521-23-26	Seal Retainer
AFS-1-521-2072838PC26	Seal Retainer

FAQs

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

What is the FSCG of the NSN 5330-00-477-1990?

The FSCG of the NSN 5330-00-477-1990 is 5330

Does the NSN 5330-00-477-1990 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5330-00-477-1990 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 5330-00-477-1990 contain precious materials?

Precious metal content is unknown

Does NSN 5330-00-477-1990 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 5330-00-477-1990 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Jun 14, 1971