PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NMP110811G0059Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-218-7581 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-218-7581 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-218-7581. Primary manufacturer part number: NMP110811G0059.
Features
  • Valve,safety Relief — FSC 4820
  • Material: NICKEL ALLOY FLOW CONTROL DEVICE
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Disk Loading Method: SPRING
  • Media for Which Designed: STEAM FIRST RESPONSE
  • Material: BRONZE BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Flow Control Device construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-218-7581, 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 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-218-7581
Primary Part NumberNMP110811G0059
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Disk Loading MethodSPRING
Media for Which DesignedSTEAM FIRST RESPONSE
MaterialBRONZE BODY
Connection StyleSOCKET WITH BRAZING RING ALL ENDS
Nominal Pipe Size Accommodated0.750 INCHES ALL ENDS IN
Valve Operation MethodAUTOMATIC
Flow Control DeviceDISK
Adjustable Pressure Range+59.0 TO 70.0 POUNDS PER SQUARE INCH LBS
MaterialNICKEL ALLOY SEAT
Style DesignatorANGLE
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-034-1345005-500-0402 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-034-2073010-500-0130 INTERCHANGEABLE
Nozzle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-107-4662BAMAA04SDD INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4820-01-218-0076025-303-0015 INTERCHANGEABLE
Plate,retaining,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-267-0274BASKK08SDD INTERCHANGEABLE
Valve,safety Relief
Dante Valve Company
4820-01-277-9140008-303-0098 INTERCHANGEABLE
Guide,valve Stem
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-01-287-4736NMP-1108 PC 11A INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-307-8846NMP-1108 PIECE 25 INTERCHANGEABLE
Cap,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4730-01-307-9393NMP-1108 PIECE 3 INTERCHANGEABLE
Tailpiece,union
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-308-5264NMP-1108 PIECE 1 INTERCHANGEABLE
Body,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
DLD40D82-59T70PSINMP1108 .75IN Kunkle Industries Inc Lonergan Valve Div (USA)
NMP-1108 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
NMP-1108 DLO-40D/B-2 59T70L Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
DL040DB2-59T70P Kunkle Industries Inc Lonergan Valve Div (USA)
DLD40D82-59T70PSINMP1180 .75IN Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
NMP-1108 Kunkle Industries Inc Lonergan Valve Div (USA)
NMP110811G0059 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-01-034-1345INTERCHANGEABLE
DISK,VALVE
005-500-0402
4820-01-034-2073INTERCHANGEABLE
NOZZLE,VALVE
010-500-0130
4820-01-107-4662INTERCHANGEABLE
VALVE,SAFETY RELIEF
BAMAA04SDD
4820-01-218-0076INTERCHANGEABLE
PLATE,RETAINING,VALVE
025-303-0015
4820-01-267-0274INTERCHANGEABLE
VALVE,SAFETY RELIEF
BASKK08SDD
4820-01-277-9140INTERCHANGEABLE
GUIDE,VALVE STEM
008-303-0098
4820-01-287-4736INTERCHANGEABLE
STEM,FLUID VALVE
NMP-1108 PC 11A
4820-01-307-8846INTERCHANGEABLE
CAP,VALVE
NMP-1108 PIECE 25
4730-01-307-9393INTERCHANGEABLE
TAILPIECE,UNION
NMP-1108 PIECE 3
4820-01-308-5264INTERCHANGEABLE
BODY,VALVE
NMP-1108 PIECE 1
4730-01-308-8283INTERCHANGEABLE
NUT,UNION
NMP-1108 PIECE 13
4820-01-310-5139INTERCHANGEABLE
YOKE,LIFT
NMP-1108 PIECE 5

Frequently Asked Questions

What is NSN 4820-01-218-7581?

NSN 4820-01-218-7581 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 4820-01-218-7581?

NSN 4820-01-218-7581 has 7 cross-referenced part numbers: DLD40D82-59T70PSINMP1108 .75IN (Kunkle Industries Inc Lonergan Valve Div), NMP-1108 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), NMP-1108 DLO-40D/B-2 59T70L (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), DL040DB2-59T70P (Kunkle Industries Inc Lonergan Valve Div), DLD40D82-59T70PSINMP1180 .75IN (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 2 more.

What NSN replaces 4820-01-218-7581?

There are 12 known substitutes for 4820-01-218-7581: 4820-01-034-1345, 4820-01-034-2073, 4820-01-107-4662 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NMP110811G0059?

Key specifications for NMP110811G0059: Material: NICKEL ALLOY FLOW CONTROL DEVICE; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF. 15 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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