PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MA15550-2TValve,angle

Dragon Valves Inc · NSN 4820-01-419-1676 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-419-1676 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-419-1676. Primary manufacturer part number: MA15550-2T.
Features
  • Valve,angle — FSC 4820
  • Material: NICKEL ALLOY STEM
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Style Designator: ANGLE
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Bonnet Type: INSIDE SCREW
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Stem construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-419-1676, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dragon Valves Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4820-01-419-1676
Primary Part NumberMA15550-2T
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDragon Valves Inc
StatusACTIVE
MaterialNICKEL ALLOY STEM
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorANGLE
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Bonnet TypeINSIDE SCREW
Connection StyleSOCKET (TUBE) ALL ENDS
MaterialNICKEL ALLOY BODY
Valve Operation MethodMANUAL
Flow Control DeviceDISK
Bonnet Attachment MethodUNION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2990-00-459-713515877 INTERCHANGEABLE
Plate,end,fuel Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5865-00-824-590315877-01 INTERCHANGEABLE
Oscillator Assy,bia
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
4820-00-909-872715877 INTERCHANGEABLE
Body,valve
Mission Systems Orchard Park Inc
5330-00-966-897815877 INTERCHANGEABLE
Packing,preformed
Hyster-Yale Group, Inc.
4320-00-988-945602-5-14-1285ITEM2-29 INTERCHANGEABLE
Clamp,mechanical
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
6145-01-015-439015877 INTERCHANGEABLE
Cable,power,electrical
Champlain Cable Leeds Corporation
2530-01-063-5230 INTERCHANGEABLE
Plunger,relief Valve
5985-01-279-4712 INTERCHANGEABLE
Waveguide Assembly
5950-01-304-510915877 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
4820-01-340-403115550-2 INTERCHANGEABLE
Valve,angle
Dragon Valves Inc
Cross-Reference Index
Part NumberManufacturer
15877G P/N MA15550-2T Dragon Valves Inc (USA)
15877 Dragon Valves Inc (USA)
MA15550-2T PRIMARY Dragon Valves Inc (USA)
Related Parts
2990-00-459-7135INTERCHANGEABLE
PLATE,END,FUEL PUMP
15877
5865-00-824-5903INTERCHANGEABLE
OSCILLATOR ASSY,BIA
15877-01
4820-00-909-8727INTERCHANGEABLE
BODY,VALVE
15877
5330-00-966-8978INTERCHANGEABLE
PACKING,PREFORMED
15877
4320-00-988-9456INTERCHANGEABLE
CLAMP,MECHANICAL
02-5-14-1285ITEM2-29
6145-01-015-4390INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
15877
2530-01-063-5230INTERCHANGEABLE
PLUNGER,RELIEF VALVE
5985-01-279-4712INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
5950-01-304-5109INTERCHANGEABLE
REACTOR
15877
4820-01-340-4031INTERCHANGEABLE
VALVE,ANGLE
15550-2
5310-01-353-0337INTERCHANGEABLE
WASHER,FLAT
158.77
7690-01-423-3967INTERCHANGEABLE
DECAL
15877

Frequently Asked Questions

What is NSN 4820-01-419-1676?

NSN 4820-01-419-1676 is a Valve,angle, manufactured by Dragon Valves Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-419-1676?

NSN 4820-01-419-1676 has 3 cross-referenced part numbers: 15877G P/N MA15550-2T (Dragon Valves Inc), 15877 (Dragon Valves Inc), MA15550-2T (Dragon Valves Inc).

What NSN replaces 4820-01-419-1676?

There are 12 known substitutes for 4820-01-419-1676: 2990-00-459-7135, 5865-00-824-5903, 4820-00-909-8727 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MA15550-2T?

Key specifications for MA15550-2T: Material: NICKEL ALLOY STEM; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 13 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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