12342953-2

View detailed technical data, stock status, and sourcing information for: 12342953-2
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-456-0172

Item Name Code

05487

Assigment Date

05/27/1998 (28 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

right-hand all ends thread direction, disk flow control device, 125.0 fahrenheit single response maximum operating temp, spring disk loading method, 2320-01-412-0143; truck,vehicle system, 1 1/4-ton(hmmwv) end item identification

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: disk
Disk Loading Method: spring
Maximum Operating Temp: 125.0 fahrenheit single response
End Item Identification: 2320-01-412-0143; truck,vehicle system, 1 1/4-ton(hmmwv)
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 800.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 1.0 pounds per square inch
Special Features: ends capped
Material: copper alloy body
Media For Which Designed: fuel/oil, hydrocarbon single response
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
12342953-2	Check Valve
2269B-2MM-0	Check Valve
4820PL0370833	Check Valve
6000324	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-456-0172?

The FSCG of the NSN 4820-01-456-0172 is 4820

Does the NSN 4820-01-456-0172 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-456-0172 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 4820-01-456-0172 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-456-0172 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 4820-01-456-0172 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, May 27, 1998