The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-181-8937, 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 4 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-181-8937 |
| Primary Part Number | ASTM F 1370 2KF1B |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | American Society for Testing and Materials Dba Astm International |
| Status | CANCELLED |
| First End Flange Thickness | 0.500 INCHES NOMINAL IN |
| Face to Face Distance | 11.625 INCHES NOMINAL IN |
| Flow Control Device | DIAPHRAGM |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| 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.). |
| First End Bolt Hole Quantity | 8 |
| End Connection Quantity | 2 |
| 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 ABOVE IN |
| Second End Relationship with First End | IDENTICAL |
| Regulation Type | AUTOMATIC DOUBLE STAGE |
| First End Bolt Hole Diameter | 0.563 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 5.500 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| Temp Rating | 165.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 25.0 TO 60.0 CAMERA MOUNT |
| Filter | NOT INCLUDED |
| First End Flange Outside Diameter | 6.625 INCHES NOMINAL IN |
| Valve Stem Design | SINGLE SEAT |
| First End Bolt Hole Diameter | 0.563 INCHES NOMINAL IN |
| Filter | NOT INCLUDED |
| Nondefinitive Spec/std Data | 2 TYPE |
| Maximum Inlet Pressure Rating | ERR-060 |
| Nondefinitive Spec/std Data | 2 TYPE |
| Flow Control Device | DIAPHRAGM |
| First End Style Designator | PLAIN |
| 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 ABOVE IN |
| First End Bolt Hole Quantity | 8 |
| First End Connection Type | PLAIN FACE FLANGE |
| 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.). |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ASTM F 1370 2KF1B PRIMARY | American Society for Testing and Materials Dba Astm International (USA) |
| ASTM F1370 2K1B | American Society for Testing and Materials Dba Astm International (USA) |
| MIL-V-2042 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| ASTM F1370 | American Society for Testing and Materials Dba Astm International (USA) |
NSN 4820-00-181-8937 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: cancelled.
NSN 4820-00-181-8937 has 4 cross-referenced part numbers: ASTM F 1370 2KF1B (American Society for Testing and Materials Dba Astm International), ASTM F1370 2K1B (American Society for Testing and Materials Dba Astm International), MIL-V-2042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM F1370 (American Society for Testing and Materials Dba Astm International).
There are 12 known substitutes for 4820-00-181-8937: 4820-00-181-8912, 4820-00-181-8934, 4820-00-256-6546 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for ASTM F 1370 2KF1B: First End Flange Thickness: 0.500 INCHES NOMINAL IN; Face to Face Distance: 11.625 INCHES NOMINAL IN; Flow Control Device: DIAPHRAGM; First End Flange Shape Style: ROUND W/ BOLT HOLES. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-181-8937 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.