PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8709Valve,safety Relief

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-198-7251 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-198-7251 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-198-7251. Primary manufacturer part number: 8709.
Features
  • Valve,safety Relief — FSC 4820
  • Style Designator: ANGLE
  • Media for Which Designed: AIR SINGLE RESPONSE
  • Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Flow Control Device: DISK
  • Valve Operation Method: AUTOMATIC
  • Material: COPPER ALLOY BODY
  • Furnished Items and Quantity: 2 NUT AND 2 TAILPIECE
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 4820-00-198-7251, 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 16 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-198-7251
Primary Part Number8709
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Style DesignatorANGLE
Media for Which DesignedAIR SINGLE RESPONSE
Maximum Operating Temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flow Control DeviceDISK
Valve Operation MethodAUTOMATIC
MaterialCOPPER ALLOY BODY
Furnished Items and Quantity2 NUT AND 2 TAILPIECE
Adjustable Pressure Range+136.0 TO 150.0 POUNDS PER SQUARE INCH LBS
MaterialCOPPER ALLOY BODY
Adjustable Pressure Range+136.0 TO 150.0 POUNDS PER SQUARE INCH LBS
Connection StyleSOCKET WITH BRAZING RING ALL ENDS
Nominal Pipe Size Accommodated1.000 INCHES ALL ENDS IN
Media for Which DesignedAIR SINGLE RESPONSE
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorANGLE
Furnished Items and Quantity2 NUT AND 2 TAILPIECE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5831-00-064-0499 INTERCHANGEABLE
Distribution Panel,
5950-00-148-273415436 INTERCHANGEABLE
Transformer,power
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
6625-00-538-8996 INTERCHANGEABLE
Ammeter
4240-01-108-4172 INTERCHANGEABLE
Respirator,air Filtering
6150-01-195-0991 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5360-01-312-3721 INTERCHANGEABLE
Spring,helical,compression
5120-01-416-85685120-01-416-8568 INTERCHANGEABLE
Combination Tool,hand
General Services Administration Federal Supply Service
5355-01-477-82738568 INTERCHANGEABLE
Knob
Keystone Electronics Corp
6515-01-601-50048709 INTERCHANGEABLE
Intra-Spinal Cathet
Medtronic Inc
Cross-Reference Index
Part NumberManufacturer
4S1519-149 Bfgoodrich Co the Aerospace Div Engineered Polymer Products (USA)
8568 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
E8709R51M Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
8709 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
08709C02S0175 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
8709 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
E8709R51M Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5831-00-064-0499INTERCHANGEABLE
DISTRIBUTION PANEL,
5950-00-148-2734INTERCHANGEABLE
TRANSFORMER,POWER
15436
6625-00-538-8996INTERCHANGEABLE
AMMETER
4240-01-108-4172INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
6150-01-195-0991INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5360-01-312-3721INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5120-01-416-8568INTERCHANGEABLE
COMBINATION TOOL,HAND
5120-01-416-8568
5355-01-477-8273INTERCHANGEABLE
KNOB
8568
6515-01-601-5004INTERCHANGEABLE
INTRA-SPINAL CATHET
8709

Frequently Asked Questions

What is NSN 4820-00-198-7251?

NSN 4820-00-198-7251 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 4820-00-198-7251?

NSN 4820-00-198-7251 has 7 cross-referenced part numbers: 4S1519-149 (Bfgoodrich Co the Aerospace Div Engineered Polymer Products), 8568 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), E8709R51M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8709 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 08709C02S0175 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 2 more.

What NSN replaces 4820-00-198-7251?

There are 9 known substitutes for 4820-00-198-7251: 5831-00-064-0499, 5950-00-148-2734, 6625-00-538-8996 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8709?

Key specifications for 8709: Style Designator: ANGLE; Media for Which Designed: AIR SINGLE RESPONSE; Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flow Control Device: DISK. 16 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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