A-1RM4

View detailed technical data, stock status, and sourcing information for: A-1RM4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-052-1835

Item Name Code

05485

Assigment Date

11/19/1972 (53 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

inside screw bonnet type, integral bonnet attachment method, right-hand all ends thread direction, grumman aircraft model a10 end item identification, stem 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.

Thread Direction: right-hand all ends
Flow Control Device: stem
Bonnet Type: inside screw
Bonnet Attachment Method: integral
End Item Identification: grumman aircraft model a10
Connection Style: plain (pipe) all ends
Valve Operation Method: manual
Connection Type: threaded external pipe all ends
Mounting Facility: bulkhead
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: aluminum alloy body
Style Designator: straight thru
Thread Series Designator: npt all 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
1RM4AL	Globe Valve
A-1RM4	Globe Valve
AL1RM4	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-052-1835?

The FSCG of the NSN 4820-00-052-1835 is 4820

Does the NSN 4820-00-052-1835 have a Schedule B code assigned?

Yes, the Schedule B code is 8481805090

Does NSN 4820-00-052-1835 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 4820-00-052-1835 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-052-1835 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 4820-00-052-1835 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sun, Nov 19, 1972