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4820-01-321-9893

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-321-9893
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05488
(FIIG) Federal Item Identification Guide
A046B0
Date
06/27/1990 (36 years ago)

5000.0 pounds per square inch single response maximum operating pressure, poppet flow control device, with hand knob; internal; subplate type; valve size 1.250 in. (ng32) special features, +100.0 to 1500.0 pounds per square inch adjustable pressure range, hydraulic fluid, mineral base single response media for which designed

Specs & Compatibility

Flow Control Device

poppet

Adjustable Pressure Range

+100.0 to 1500.0 pounds per square inch

Maximum Operating Pressure

5000.0 pounds per square inch single response

Special Features

with hand knob; internal; subplate type; valve size 1.250 in. (ng32)

Media For Which Designed

hydraulic fluid, mineral base single response

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005488

Related Hardware Products

Part Number Description
R4V10-531-10-A5 Safety Relief Valve
R4V10-531-10-A5 P/L SD60000 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-321-9893?
The FSCG of the NSN 4820-01-321-9893 is 4820
Does the NSN 4820-01-321-9893 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-321-9893 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 4820-01-321-9893 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-321-9893 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 4820-01-321-9893 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Wed, Jun 27, 1990