4820-01-663-6389

Find complete technical information, availability, and procurement data for: 4820-01-663-6389
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-663-6389

Item Name Code

46566

Assigment Date

05/16/2017 (9 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.)

relief valve type for which designed, lf909 valve model number for which designed, relief valve assembly, seat, seat o-ring, 2 piston o-rings and lubricant; special features, 0.75 inches and 1.00 inches valve size for which designed

Product Characteristics

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

Valve Type For Which Designed: relief
Valve Size For Which Designed: 0.75 inches and 1.00 inches
Valve Model Number For Which Designed: lf909
Special Features: relief valve assembly, seat, seat o-ring, 2 piston o-rings and lubricant;

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-473-2165	No Name Available	08/01/2017

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
0794059	Valve Repair Kit
887126	Valve Repair Kit
LFRK 909 VT 3/4-1	Valve Repair Kit
RK909VT-887126	Valve Repair Kit

FAQs

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

What is the FSCG of the NSN 4820-01-663-6389?

The FSCG of the NSN 4820-01-663-6389 is 4820

Does the NSN 4820-01-663-6389 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-663-6389 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 4820-01-663-6389 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-663-6389 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 4820-01-663-6389 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Tue, May 16, 2017