PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM F 1370-2GF1BValve,regulating,fluid Pressure

American Society for Testing and Materials Dba Astm International · NSN 4820-00-181-8934 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-181-8934 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-181-8934. Primary manufacturer part number: ASTM F 1370-2GF1B.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • 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", "NOMINAL", ETC.).
  • Temp Rating: 165.0 FAHRENHEIT NOMINAL DEGF
  • Renewable Seat Ring Type: THREADED
  • End Connection Quantity: 2
  • Filter: NOT INCLUDED
  • Second End Relationship with First End: IDENTICAL
  • Flow Control Device: DIAPHRAGM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-181-8934, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is American Society for Testing and Materials Dba Astm International. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-181-8934
Primary Part NumberASTM F 1370-2GF1B
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Test Data Document81349-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", "NOMINAL", ETC.).
Temp Rating165.0 FAHRENHEIT NOMINAL DEGF
Renewable Seat Ring TypeTHREADED
End Connection Quantity2
FilterNOT INCLUDED
Second End Relationship with First EndIDENTICAL
Flow Control DeviceDIAPHRAGM
Special Test FeaturesHIGH-IMPACT SHOCK TESTS ARE REQUIRED AS DIRECTED IN PARAGRAPHS 3.6 AND 4.4.2.3 OF MIL-V-2042 IN PAC TEST ABOVE IN
First End Style DesignatorPLAIN
First End Flange Shape StyleROUND W/ BOLT HOLES
Valve Loading MethodSPRING
Valve Stem DesignSINGLE SEAT
Face to Face Distance8.750 INCHES NOMINAL IN
First End Bolt Hole Quantity6
Temp Rating165.0 FAHRENHEIT NOMINAL DEGF
Second End Relationship with First EndIDENTICAL
First End Flange Thickness0.438 INCHES NOMINAL IN
Renewable Seat Ring TypeTHREADED
Body StyleSTRAIGHT THRU
End Connection Quantity2
First End Style DesignatorPLAIN
Face to Face Distance8.750 INCHES NOMINAL IN
First End Flange Shape StyleROUND W/ BOLT HOLES
First End Flange Outside Diameter5.063 INCHES NOMINAL IN
First End Bolt Circle Diameter3.938 INCHES NOMINAL IN
FilterNOT INCLUDED
Valve Loading MethodSPRING
Valve Stem DesignSINGLE SEAT
Maximum Inlet Pressure RatingERR-060
Outlet Pressure Range25.0 TO 60.0 CAMERA MOUNT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-181-891230807020 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Warren Controls, Inc.
4820-00-181-8937ASTM F 1370 2KF1B INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-00-256-6546ASTM F 1370-2HF1A INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-00-892-5429ASTM F 1370-2CU1B INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-01-036-1077ASTM F1370-2JF1A INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-01-131-752230805262-3/4TYPE 436-5T60PSI INTERCHANGEABLE
Valve,regulating,fluid Pressure
Warren Controls, Inc.
4820-01-147-1354ASTM F1370 2MF1B INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-01-171-6702ASTM-F1370-2HU2B INTERCHANGEABLE
Valve,regulating,fluid Pressure
American Society for Testing and Materials Dba Astm International
4820-01-207-961140401-408 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-213-7978406-202 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
ASTM F 1370 American Society for Testing and Materials Dba Astm International (USA)
ASTM F 1370-2GF1B PRIMARY American Society for Testing and Materials Dba Astm International (USA)
MILV2042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-181-8912INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30807020
4820-00-181-8937INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F 1370 2KF1B
4820-00-256-6546INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F 1370-2HF1A
4820-00-892-5429INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F 1370-2CU1B
4820-01-036-1077INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F1370-2JF1A
4820-01-131-7522INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30805262-3/4TYPE 436-5T60PSI
4820-01-147-1354INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F1370 2MF1B
4820-01-171-6702INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM-F1370-2HU2B
4820-01-207-9611INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40401-408
4820-01-213-7978INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
406-202
4820-01-354-2731INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
ASTM F 1370 2AU1A
4820-01-395-5268INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30809020

Frequently Asked Questions

What is NSN 4820-00-181-8934?

NSN 4820-00-181-8934 is a Valve,regulating,fluid Pressure, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-181-8934?

NSN 4820-00-181-8934 has 3 cross-referenced part numbers: ASTM F 1370 (American Society for Testing and Materials Dba Astm International), ASTM F 1370-2GF1B (American Society for Testing and Materials Dba Astm International), MILV2042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4820-00-181-8934?

There are 12 known substitutes for 4820-00-181-8934: 4820-00-181-8912, 4820-00-181-8937, 4820-00-256-6546 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM F 1370-2GF1B?

Key specifications for ASTM F 1370-2GF1B: 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", "NOMINAL", ETC.).; Temp Rating: 165.0 FAHRENHEIT NOMINAL DEGF; Renewable Seat Ring Type: THREADED; End Connection Quantity: 2. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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