PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NMP1562 SET @30 PSIGValve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-214-6899 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-214-6899 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-214-6899. Primary manufacturer part number: NMP1562 SET @30 PSIG.
Features
  • Valve,safety Relief — FSC 4820
  • Thread Series Designator: NPT FIRST END
  • Style Designator: ANGLE
  • Connection Type: UNTHREADED INTERNAL PIPE SECOND END
  • Connection Style: STREAMLINED WITH ONE BRAZING RING SECOND END
  • Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN
  • Material: COPPER ALLOY BODY
  • Material: NICKEL ALLOY SEAT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-214-6899, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-214-6899
Primary Part NumberNMP1562 SET @30 PSIG
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Thread Series DesignatorNPT FIRST END
Style DesignatorANGLE
Connection TypeUNTHREADED INTERNAL PIPE SECOND END
Connection StyleSTREAMLINED WITH ONE BRAZING RING SECOND END
Nominal Pipe Size Accommodated0.500 INCHES SECOND END IN
MaterialCOPPER ALLOY BODY
MaterialNICKEL ALLOY SEAT
Thread DirectionRIGHT-HAND FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Media for Which DesignedAIR SINGLE RESPONSE
Adjustable Pressure Range+27.0 TO 32.0 POUNDS PER SQUARE INCH LBS
Bonnet Attachment MethodUNION
Valve Operation MethodAUTOMATIC
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
Flow Control DeviceDISK
Maximum Operating Temp150.0 FAHRENHEIT FIRST RESPONSE DEGF
Bonnet TypeINSIDE SPRING
Disk Loading MethodSPRING
Maximum Operating Temp425.0 FAHRENHEIT SECOND RESPONSE DEGF
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Nominal Thread Size1.000 INCHES FIRST END IN
MaterialNICKEL ALLOY STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-095-5959NMP-184 PIECE 24 INTERCHANGEABLE
Thread Piece,union
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
NMP-184 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
NMP-184 Kunkle Industries Inc Lonergan Valve Div (USA)
NMP1562 SET @30 PSIG PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
11-W-200 1/2UBT/SP 30PSI Kunkle Industries Inc Lonergan Valve Div (USA)
11W200-1/2X1NMP-184 27TO32PSI Kunkle Industries Inc Lonergan Valve Div (USA)
11W200-1/2XNMP- Kunkle Industries Inc Lonergan Valve Div (USA)
NMP1562 SET @30 PSIG Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4730-01-095-5959INTERCHANGEABLE
THREAD PIECE,UNION
NMP-184 PIECE 24

Frequently Asked Questions

What is NSN 4820-01-214-6899?

NSN 4820-01-214-6899 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-214-6899?

NSN 4820-01-214-6899 has 7 cross-referenced part numbers: NMP-184 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), NMP-184 (Kunkle Industries Inc Lonergan Valve Div), NMP1562 SET @30 PSIG (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 11-W-200 1/2UBT/SP 30PSI (Kunkle Industries Inc Lonergan Valve Div), 11W200-1/2X1NMP-184 27TO32PSI (Kunkle Industries Inc Lonergan Valve Div) and 2 more.

What NSN replaces 4820-01-214-6899?

There is 1 known substitute for 4820-01-214-6899: 4730-01-095-5959. Verify interchangeability with system specifications before substitution.

What are the specifications of NMP1562 SET @30 PSIG?

Key specifications for NMP1562 SET @30 PSIG: Thread Series Designator: NPT FIRST END; Style Designator: ANGLE; Connection Type: UNTHREADED INTERNAL PIPE SECOND END; Connection Style: STREAMLINED WITH ONE BRAZING RING SECOND END. 24 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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