PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MSS MP-80-87Valve,angle

Manufacturers Standardization Society of the Valve and Fittings Industry Inc · NSN 4820-00-541-0374 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-541-0374 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-541-0374. Primary manufacturer part number: MSS MP-80-87.
Features
  • Valve,angle — FSC 4820
  • Style Designator: ANGLE
  • Maximum Operating Temp: 425.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Material: NICKEL ALLOY AND STEEL FLOW CONTROL DEVICE
  • Media for Which Designed: AIR FIRST RESPONSE
  • Material: COPPER ALLOY SEAT
  • Material Document and Classification: QQ-C-390,ALLOYD4/D FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Flow Control Device: DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy and Steel Flow Control Device construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-541-0374, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Manufacturers Standardization Society of the Valve and Fittings Industry Inc. Government technical data includes 23 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-541-0374
Primary Part NumberMSS MP-80-87
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerManufacturers Standardization Society of the Valve and Fittings Industry Inc
StatusCANCELLED
Style DesignatorANGLE
Maximum Operating Temp425.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialNICKEL ALLOY AND STEEL FLOW CONTROL DEVICE
Media for Which DesignedAIR FIRST RESPONSE
MaterialCOPPER ALLOY SEAT
Material Document and ClassificationQQ-C-390,ALLOYD4/D FED SPEC SINGLE MATERIAL RESPONSE BODY
Flow Control DeviceDISK
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Bonnet Attachment MethodUNION
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Valve Operation MethodMANUAL
Material Document and ClassificationASTMB164-61 ASSN STD 1ST MATERIAL RESPONSE AND AST MA276 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE
Media for Which DesignedWATER, FRESH THIRD RESPONSE
Nominal Thread Size0.375 INCHES ALL ENDS IN
Media for Which DesignedSTEAM SECOND RESPONSE
MaterialCOPPER ALLOY STEM
Thread DirectionRIGHT-HAND ALL ENDS
Bonnet TypeINSIDE SCREW
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorNPT ALL ENDS
Renewable Seat Ring TypeTHREADED
Nondefinitive Spec/std Data1 TYPE AND 300 CLASS
MaterialCOPPER ALLOY 922 BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3110-00-155-6712108MQ6A7 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4820-00-203-39760168 INTERCHANGEABLE
Valve,angle
Hoffman/new Yorker, Inc.
4820-00-237-3376 INTERCHANGEABLE
Valve,angle
5996-00-248-9081SC-D-68458 INTERCHANGEABLE
Amplifier,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-273-9897 INTERCHANGEABLE
Valve,angle
4710-00-377-9856 INTERCHANGEABLE
Tube,retarder
3110-00-555-52061208-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5940-01-127-2071108A INTERCHANGEABLE
Terminal Board
Stroco Manufacturing, Inc. Dba Stroco Manufacturing Inc
7720-01-595-0268108A INTERCHANGEABLE
Mute,cornet-Trumpet
Humes & Berg Manufacturing Co Inc
Cross-Reference Index
Part NumberManufacturer
MSS MP-80-87 PRIMARY Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
108A Jenkins Bros (USA)
Related Parts
3110-00-155-6712INTERCHANGEABLE
BEARING,BALL,ANNULAR
108MQ6A7
4820-00-203-3976INTERCHANGEABLE
VALVE,ANGLE
0168
4820-00-237-3376INTERCHANGEABLE
VALVE,ANGLE
5996-00-248-9081INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
SC-D-68458
4820-00-273-9897INTERCHANGEABLE
VALVE,ANGLE
4710-00-377-9856INTERCHANGEABLE
TUBE,RETARDER
3110-00-555-5206INTERCHANGEABLE
BEARING,BALL,ANNULAR
1208-1B1
5940-01-127-2071INTERCHANGEABLE
TERMINAL BOARD
108A
7720-01-595-0268INTERCHANGEABLE
MUTE,CORNET-TRUMPET
108A

Frequently Asked Questions

What is NSN 4820-00-541-0374?

NSN 4820-00-541-0374 is a Valve,angle, manufactured by Manufacturers Standardization Society of the Valve and Fittings Industry Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-541-0374?

NSN 4820-00-541-0374 has 2 cross-referenced part numbers: MSS MP-80-87 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), 108A (Jenkins Bros).

What NSN replaces 4820-00-541-0374?

There are 9 known substitutes for 4820-00-541-0374: 3110-00-155-6712, 4820-00-203-3976, 4820-00-237-3376 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MSS MP-80-87?

Key specifications for MSS MP-80-87: Style Designator: ANGLE; Maximum Operating Temp: 425.0 FAHRENHEIT SINGLE RESPONSE DEGF; Material: NICKEL ALLOY AND STEEL FLOW CONTROL DEVICE; Media for Which Designed: AIR FIRST RESPONSE. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-541-0374 still in active supply?

NSN 4820-00-541-0374 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.
PartsTable Design LLC · partstable.com