PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILV1187Valve,globe

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4820-00-541-0370 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-541-0370 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-541-0370. Primary manufacturer part number: MILV1187.
Features
  • Valve,globe — FSC 4820
  • Flow Control Device: DISK
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Bonnet Attachment Method: UNION
  • Material Document and Classification: A276 ASSN STD SINGLE MATERIAL RESPONSE SEAT
  • Material: STEEL SEAT
  • Bonnet Type: INSIDE SCREW
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Seat construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-541-0370, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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.

Technical Specifications
ParameterValue
NSN4820-00-541-0370
Primary Part NumberMILV1187
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Flow Control DeviceDISK
Thread DirectionRIGHT-HAND ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Bonnet Attachment MethodUNION
Material Document and ClassificationA276 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MaterialSTEEL SEAT
Bonnet TypeINSIDE SCREW
Material Document and ClassificationA276 ASSN STD 1ST MATERIAL RESPONSE AND B164-61 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
Maximum Operating Temp425.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialCOPPER ALLOY 922 STEM
Style DesignatorSTRAIGHT THRU
Media for Which DesignedSTEAM SINGLE RESPONSE
Nominal Thread Size1.000 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
MaterialCOPPER ALLOY 922 BODY
Specification/standard Data59646-MSS SP-80 MANUFACTURERS STANDARD
Test Data Document81349-MIL-V-1187 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.).
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Operation MethodMANUAL
Renewable Seat Ring TypeTHREADED
Material Document and ClassificationQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Material Document and ClassificationQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE STEM
Nondefinitive Spec/std Data1 TYPE AND 300PSI CLASS AND A END AND 1.000 SIZE
Features ProvidedBONNET PACKING
MaterialSTEEL AND NICKEL ALLOY 400 FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-266-9488 INTERCHANGEABLE
Valve,angle
4820-00-276-8953 INTERCHANGEABLE
Valve,angle
4820-00-541-036155 INTERCHANGEABLE
Valve,angle
Precision Speed Manufacturing, Llc
4820-00-541-0362 INTERCHANGEABLE
Valve,angle
4820-00-541-0363MSS SP-80 TYP3,CL 300,SZ 1/4IN INTERCHANGEABLE
Valve,globe
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
4820-00-541-0366TY1,CL300,SZ1.5IN INTERCHANGEABLE
Valve,angle
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
4820-00-541-0367 INTERCHANGEABLE
Valve,angle
4820-00-541-0368 INTERCHANGEABLE
Valve,angle
4820-00-541-0369 INTERCHANGEABLE
Valve,globe
4820-00-541-0371TYPE 1/CLASS 300/SIZE 3/4 IN. INTERCHANGEABLE
Valve,globe
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
Cross-Reference Index
Part NumberManufacturer
MILV1187 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MSS SP-80 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
Related Parts
4820-00-266-9488INTERCHANGEABLE
VALVE,ANGLE
4820-00-276-8953INTERCHANGEABLE
VALVE,ANGLE
4820-00-541-0361INTERCHANGEABLE
VALVE,ANGLE
55
4820-00-541-0362INTERCHANGEABLE
VALVE,ANGLE
4820-00-541-0363INTERCHANGEABLE
VALVE,GLOBE
MSS SP-80 TYP3,CL 300,SZ 1/4IN
4820-00-541-0366INTERCHANGEABLE
VALVE,ANGLE
TY1,CL300,SZ1.5IN
4820-00-541-0367INTERCHANGEABLE
VALVE,ANGLE
4820-00-541-0368INTERCHANGEABLE
VALVE,ANGLE
4820-00-541-0369INTERCHANGEABLE
VALVE,GLOBE
4820-00-541-0371INTERCHANGEABLE
VALVE,GLOBE
TYPE 1/CLASS 300/SIZE 3/4 IN.
4820-00-541-0372INTERCHANGEABLE
VALVE,GLOBE
4820-00-541-0373INTERCHANGEABLE
VALVE,GLOBE

Frequently Asked Questions

What is NSN 4820-00-541-0370?

NSN 4820-00-541-0370 is a Valve,globe, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-541-0370?

NSN 4820-00-541-0370 has 2 cross-referenced part numbers: MILV1187 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MSS SP-80 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc).

What NSN replaces 4820-00-541-0370?

There are 12 known substitutes for 4820-00-541-0370: 4820-00-266-9488, 4820-00-276-8953, 4820-00-541-0361 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILV1187?

Key specifications for MILV1187: Flow Control Device: DISK; Thread Direction: RIGHT-HAND ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Bonnet Attachment Method: UNION. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-541-0370 still in active supply?

NSN 4820-00-541-0370 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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