1. Home /
  2. Catalog /
  3. Nonpowered Valves /
  4. 4820-01-260-0503

4820-01-260-0503

Find complete technical information, availability, and procurement data for: 4820-01-260-0503

DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-01-260-0503 to receive an up to date pricing and availability quote by email.

4820-01-260-0503
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-260-0503
Item Name Code
05487
Assigment Date
07/24/1987 (39 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

36 2nd end bolt hole quantity, automatic valve operation method, round with holes all ends flange shape, 38 1st end bolt hole quantity, disk flow control device

Product Characteristics

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

Flow Control Device
disk
Bolt Hole Quantity
36 2nd end
Bolt Hole Quantity
38 1st end
Valve Operation Method
automatic
Flange Shape
round with holes all ends
Connection Type
flange all ends
Mounting Position
horizontal or vertical
Valve Size
42.000 inches
Nominal Outside Diameter
46.125 inches 2nd end
Nominal Outside Diameter
50.250 inches 1st end
Face To Face Distance
20.500 inches
Nominal Thickness
1.375 inches all ends
Bolt Hole Nominal Diameter
1.312 inches all ends
Bolt Circle Nominal Diameter
43.625 inches 2nd end
Bolt Circle Nominal Diameter
47.750 inches 1st end
Flange Face Design
plain all ends
Material
copper alloy overall
Style Designator
straight thru flanged ends

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
CVA632091682270 ASSY 99 Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-260-0503?
The FSCG of the NSN 4820-01-260-0503 is 4820
Does NSN 4820-01-260-0503 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 4820-01-260-0503 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-260-0503 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 4820-01-260-0503 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Fri, Jul 24, 1987

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

FTAM-A050-IAA
4130-01-455-1303
Refrigerating Condensing Unit
FTAM-A075-IAA-001
4130-01-521-4382
Refrigerating Condensing Unit
FTANK215
2910-01-585-1703
Engine Fuel Tank
FTANK40A
2910-01-708-3398
Engine Fuel Tank
FTAP-50-50
7025-01-633-8958
Data Transfer Interface Unit
FTAP-62-50
7025-01-633-8957
Data Transfer Interface Unit
FTAR-3-0-2-.110-A
4730-01-576-5479
Assembled Retainer
FTAR-3-0-2-.130-A
5340-01-623-2291
Spring Tension Clip
FTAR-3-0-2-.820-A
5310-01-549-6365
Retainer Plate Nut Assembly
FTAR-3-0-3-.110A
5310-01-549-4682
Retainer Plate Nut Assembly
FTAR-3-0-3-.150-A
5340-01-602-4739
Assembled Nut Retainer
FTAR-3-1-3.110A
5310-01-658-2875
Plate Self-Locking Nut
FTAR-4-0-2-.250-A
5340-01-525-5655
Assembled Nut Retainer
FTAR-4-0-3-.180-A
5325-01-625-8535
Panel Fastener Insert
FTAR-4-0-3-.230-A
5325-01-625-8537
Panel Fastener Insert