PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MSS SP-80Valve,angle

Manufacturers Standardization Society of the Valve and Fittings Industry Inc · NSN 4820-01-240-1022 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-240-1022 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-240-1022. Primary manufacturer part number: MSS SP-80.
Features
  • Valve,angle — FSC 4820
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Thread Series Designator: NPT ALL ENDS
  • Features Provided: BONNET PACKING
  • Valve Operation Method: MANUAL
  • Maximum Operating Temp: 406.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Style Designator: ANGLE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 836 Seat construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-240-1022, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4820-01-240-1022
Primary Part NumberMSS SP-80
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerManufacturers Standardization Society of the Valve and Fittings Industry Inc
StatusCANCELLED
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Thread Series DesignatorNPT ALL ENDS
Features ProvidedBONNET PACKING
Valve Operation MethodMANUAL
Maximum Operating Temp406.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Style DesignatorANGLE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Thread DirectionRIGHT-HAND ALL ENDS
MaterialCOPPER ALLOY 836 SEAT
Bonnet TypeINSIDE SCREW
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Supplementary FeaturesITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 12168 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
Material Document and ClassificationASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY 694 STEM
Specification/standard Data59646-MSS-SP-80 MANUFACTURERS STANDARD
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Material Document and ClassificationASTM B-371 ALLOY C69400 ASSN STD SINGLE MATERIAL RESPONSE STEM
Material Document and ClassificationASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MaterialCOPPER ALLOY 836 BODY
MaterialPLASTIC POLYTETRAFLUOROETHYLENE PACKING
Flow Control DeviceDISK
Bonnet Attachment MethodUNION
Nominal Thread Size2.000 INCHES ALL ENDS IN
Media for Which DesignedSTEAM FIRST RESPONSE
Nondefinitive Spec/std Data150 CLASS AND A END
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4820-00-203-39760168 INTERCHANGEABLE
Valve,angle
Hoffman/new Yorker, Inc.
4820-00-203-3980 INTERCHANGEABLE
Valve,angle
4530-00-394-8486B-2-1-201 INTERCHANGEABLE
Barrel,ring
Todd Combustion Inc
5950-00-794-5879B222 INTERCHANGEABLE
Coil,radio Frequency
Payne Magnetics, Inc.
4510-00-835-1172B-0222 INTERCHANGEABLE
Faucet,mixing
T and S Brass and Bronze Works Inc
4820-00-875-4556504 1.00IN INTERCHANGEABLE
Valve,angle
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5950-01-176-2060844-014-001 INTERCHANGEABLE
Reactor
Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
4240-01-249-9170 INTERCHANGEABLE
Respirator,air Filtering
6680-01-437-7779B222 INTERCHANGEABLE
Shield,gage,sight,liquid Indicat
John G Papailias Co Inc Dba J G Papailias
Cross-Reference Index
Part NumberManufacturer
MSS SP-80 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
T-335-Y 2IN Nibco Inc (USA)
B222 Stockham Valves and Fittings Inc (USA)
Related Parts
4820-00-203-3976INTERCHANGEABLE
VALVE,ANGLE
0168
4820-00-203-3980INTERCHANGEABLE
VALVE,ANGLE
4530-00-394-8486INTERCHANGEABLE
BARREL,RING
B-2-1-201
5950-00-794-5879INTERCHANGEABLE
COIL,RADIO FREQUENCY
B222
4510-00-835-1172INTERCHANGEABLE
FAUCET,MIXING
B-0222
4820-00-875-4556INTERCHANGEABLE
VALVE,ANGLE
504 1.00IN
5950-01-176-2060INTERCHANGEABLE
REACTOR
844-014-001
4240-01-249-9170INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
6680-01-437-7779INTERCHANGEABLE
SHIELD,GAGE,SIGHT,LIQUID INDICAT
B222

Frequently Asked Questions

What is NSN 4820-01-240-1022?

NSN 4820-01-240-1022 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 4820-01-240-1022?

NSN 4820-01-240-1022 has 3 cross-referenced part numbers: MSS SP-80 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), T-335-Y 2IN (Nibco Inc), B222 (Stockham Valves and Fittings Inc).

What NSN replaces 4820-01-240-1022?

There are 9 known substitutes for 4820-01-240-1022: 4820-00-203-3976, 4820-00-203-3980, 4530-00-394-8486 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MSS SP-80?

Key specifications for MSS SP-80: Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Thread Series Designator: NPT ALL ENDS; Features Provided: BONNET PACKING; Valve Operation Method: MANUAL. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-240-1022 still in active supply?

NSN 4820-01-240-1022 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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