PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR12T250GRValve,regulating,fluid Pressure

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 4820-01-096-1357 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-096-1357 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-096-1357. Primary manufacturer part number: MR12T250GR.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE
  • Thread Size and Series/type Designator: 0.250-18 NPT FIRST END
  • Material Document and Classification: UNABLE TO DECODE
  • Maximum Inlet Pressure Rating: ERR-060
  • Body Style: ANGLE
  • Media for Which Designed: OXYGEN, GASEOUS
  • First End Style Designator: PLAIN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Chloroprene Class Cr Flow Control Device construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-096-1357, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN4820-01-096-1357
Primary Part NumberMR12T250GR
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE
Thread Size and Series/type Designator0.250-18 NPT FIRST END
Material Document and ClassificationUNABLE TO DECODE
Maximum Inlet Pressure RatingERR-060
Body StyleANGLE
Media for Which DesignedOXYGEN, GASEOUS
First End Style DesignatorPLAIN
First End Connection TypeTHREADED INTERNAL PIPE
Furnished ItemsCYLINDER GAGE AND DELIVERY GAGE
Second End Relationship with First EndIDENTICAL
First End Thread DirectionRIGHT-HAND
Flow Control DeviceDISK
Regulation TypeMANUAL SINGLE STAGE
MaterialPLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT
Outlet Pressure Accuracy RatingERR-060
FilterNOT INCLUDED
Temp Rating-65.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF
End Connection Quantity2
Valve Loading MethodSPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-263-3943MR10T250GR INTERCHANGEABLE
Valve,regulating,fluid Pressure
Circor Aerospace, Inc. Dba Circor Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
GR507H12S250GR Northrop Grumman Systems Corporation (USA)
MR12T250GR PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
MR12S250GR Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
GR507H Northrop Grumman Systems Corporation (USA)
Related Parts
4820-01-263-3943INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
MR10T250GR

Frequently Asked Questions

What is NSN 4820-01-096-1357?

NSN 4820-01-096-1357 is a Valve,regulating,fluid Pressure, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-096-1357?

NSN 4820-01-096-1357 has 4 cross-referenced part numbers: GR507H12S250GR (Northrop Grumman Systems Corporation), MR12T250GR (Circor Aerospace, Inc. Dba Circor Aerospace Inc), MR12S250GR (Circor Aerospace, Inc. Dba Circor Aerospace Inc), GR507H (Northrop Grumman Systems Corporation).

What NSN replaces 4820-01-096-1357?

There is 1 known substitute for 4820-01-096-1357: 4820-01-263-3943. Verify interchangeability with system specifications before substitution.

What are the specifications of MR12T250GR?

Key specifications for MR12T250GR: Material: RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE; Special Features: FLOW CONTROL DEVICE CCATED WITH PLASTIC POLYTETRAFLUOROETHYLENE; Thread Size and Series/type Designator: 0.250-18 NPT FIRST END; Material Document and Classification: UNABLE TO DECODE. 20 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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