53045

View detailed technical data, stock status, and sourcing information for: 53045
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-520-6531

Item Name Code

05488

Assigment Date

05/20/2004 (22 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.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

right-hand 1st end thread direction, f-15 acft support equipment end item identification, spring disk loading method, piston flow control device, right-hand 2nd end thread direction

Product Characteristics

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

Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: piston
Disk Loading Method: spring
End Item Identification: f-15 acft support equipment
Valve Operation Method: automatic
Connection Type: threaded internal pipe 1st end
Connection Type: threaded internal pipe 2nd end
Nominal Thread Size: 0.750 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Material: steel overall
Style Designator: angle
Thread Series Designator: npt 2nd end
Thread Series Designator: unf 1st end

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
53045	Safety Relief Valve
SVS4060RVWSPG	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-520-6531?

The FSCG of the NSN 4820-01-520-6531 is 4820

Does the NSN 4820-01-520-6531 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-520-6531 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 4820-01-520-6531 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-520-6531 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 4820-01-520-6531 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Thu, May 20, 2004