Fluid Pressure Regulating Valve

NSN: 4820-00-181-8911 | Model: 40399-01 1IN 25

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

4820-00-181-8911

DEMIL

Yes - ITAR Controlled (Code Q)

Body Material

Bronze

Body Style

Straight thru

Stem Material

Nickel copper alloy

Furnished Items

Union nut and tailpiece

Media For Which Designed

Water, fresh and water, salt

First End Connection Type

Unthreaded internal tube

First End Style Designator

Socket w/brazing ring

First End Outside Diameter Tube Accommodated

1.000 inches

Second End Relationship With First End

Identical

Seat Material

Rubber

Packing Material

Any acceptable

Flow Control Device

Diaphragm

Flow Control Device Material

Rubber

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 includednot included

Tempurature Rating

165.0 degrees fahrenheit 165.0 degrees fahrenheit

Special Features

Ends w/o brazing rings installed

Special Test Features

High-impact shock tests 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.).

Nondefinitive Specification/std Data

2 type

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7MC20T2333	2019-12-12	PMCMU	10 EA
SPE7MC18T5495	2018-02-12	PMCMU	10 EA
SPE7MC18T2549	2017-11-27	PMCMU	11 EA
SPE7MC17TT817	2017-09-25	PMCMU	9 EA
SPE7MC17TB452	2017-03-06	PMCMU	17 EA
SPE7MC17T5238	2016-12-16	PMCMU	7 EA
SPE7M116TX844	2016-06-13	PMCMK	2 EA
SPE7MC15TA624	2015-05-21	PMCMU	17 EA

Inventory Check

The last inventory check on this NSN was done on 10/17/2023. Due to rapid changes in inventory this may not be the current stock qty.

New Surplus: 62
New: 8

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 4820-00-181-8911 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

40399-01 1IN 25
40399-906
ASTM F1370 2EU1B
MILV2042
30806262
N551
30806262REVF
E420ALT6

Cage Codes:

Trac Regulators Inc (CAGE 55378)
American Society For Testing and (CAGE 81346)
Military Specifications (CAGE 81349)
Warren Controls, Inc. (CAGE 03847)
Leslie Controls, Inc. (CAGE 35795)
Kieley and Mueller Inc (CAGE 33547)

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:

128000 - Pumps pwr noi/working heads/parts
WCC:

594 - Pumps 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:

M - 85.0
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
D
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 $2,983.56 to $4,972.60..
Does NSN 4820-00-181-8911 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, U.s. Coast Guard, Brazil, Spain, Australia, Greece, and Turkey
What is the NIIN of NSN 4820-00-181-8911?
001818911 or 00-181-8911
Does NSN 4820-00-181-8911 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-181-8911?
Solicitation SPE7MC20T2333 for qty 10 on 12/02/2019
When was this national stock number assigned to the federal catalog?
Oct 19, 1970