Fluid Pressure Regulating Valve

NSN: 4820-00-181-8937 | Model: ASTM F1370

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed ga (es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1) , fluid pressure regulating, aircraft.

NSN Properties and Flags

NATO Stock Number

4820-00-181-8937

DEMIL

Body Material

Any acceptable

First End Flange Outside Diameter

6.625 inches

Body Style

Straight thru

Stem Material

Any acceptable

Media For Which Designed

Water, fresh and water, salt

First End Connection Type

Plain face flange

First End Style Designator

Plain

First End Flange Shape Style

Round w/ bolt holes

First End Flange Thickness

0.500 inches

First End Bolt Hole Quantity

First End Bolt Hole Diameter

0.563 inches

First End Bolt Circle Diameter

5.500 inches

Second End Relationship With First End

Identical

Seat Material

Any acceptable

Face To Face Distance

11.625 inches

Packing Material

Any acceptable

Flow Control Device

Diaphragm

Flow Control Device Material

Any acceptable

End Connection Quantity

Renewable Seat Ring Type

Threaded

Outlet Pressure Range

+25.0 to 60.0 pounds per square inch

Regulation Type

Automatic double stage

Valve Stem Design

Single seat

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

150.0 pounds per square inch

Outlet Pressure Accuracy Rating

Not rated

Filter

Not included

Tempurature Rating

165.0 degrees fahrenheit 165.0 degrees fahrenheit

Special Test Features

High-impact shock test are required as directed in paragraphs 3.6 and 4.4.2.3 of mil-v-2042 in pac test abovehigh-impact shock test are required as directed in paragraphs 3.6 and 4.4.2.3 of mil-v-2042 in pac test above

Test Data Document

81349-milv2042 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).81349-milv2042 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Nondefinitive Specification/std Data

2 type2 type

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7MC20T7373	2020-04-06	PMCMU	2 EA
SPE7MC20T4781	2020-02-18	PMCMU	2 EA
SPE7MC19T054W	2019-07-01	PMCMU	3 EA
SPE7MC19T7928	2019-04-15	PMCMU	2 EA
SPE7MC19T2127	2018-11-23	PMCMU	3 EA

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4820-00-181-8937 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

ASTM F1370
MILV2042
ASTM F1370 2K1B
ASTM F 1370 2KF1B

Cage Codes:

American Society For Testing and (CAGE 81346)
Military Specifications (CAGE 81349)

Replacements:

4820-00-181-8937 replaces 4820-00-597-9120

Schedule B & Trade:

Schedule B: 8481809015 (NAICS 332911)

Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
SITC: 74780

Taps, cocks, valves and similar appliances, n.E.S.
End Use: 21180

Industrial machines, other

Identification:

HMIC

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

PMIC

U - Precious metal content is unknown

CRITL

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

Freight Information:

NMFC:

127220 - Pressure reg/red/relief valves noi
WCC:

593 - Motors and parts, (machinery and parts),(less than 35 feet)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL:

P - 77.5
ACC:

V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
Z
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
3b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $12,443.22 to $20,738.71..
Does NSN 4820-00-181-8937 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy, Spain, Greece, and Turkey
What is the NIIN of NSN 4820-00-181-8937?
001818937 or 00-181-8937
Does NSN 4820-00-181-8937 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-181-8937?
Solicitation SPE7MC20T7373 for qty 2 on 03/27/2020
When was this national stock number assigned to the federal catalog?
Oct 24, 1970

Fluid Pressure Regulating Valve

Pricing and Availability

Certified Quality Assurance

NSN 4820-00-181-8937 Datasheet

Supply Class (FSC):

Cross Reference:

Cage Codes:

Replacements:

Schedule B & Trade:

Identification:

Freight Information:

NSN Management Codes:

Questions & Answers: