PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T227Valve,regulating,fluid Pressure

Grove Valve Operations · NSN 4820-00-287-2718 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-2718 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-2718. Primary manufacturer part number: T227.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • First End Flange Outside Diameter: 6.500 INCHES NOMINAL IN
  • Media for Which Designed: AIR
  • First End Flange Shape Style: ROUND W/ BOLT HOLES
  • First End Bolt Hole Diameter: 0.688 INCHES NOMINAL IN
  • First End Style Designator: RAISED
  • Second End Relationship with First End: IDENTICAL
  • Body Style: STRAIGHT THRU
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-287-2718, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 21 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-287-2718
Primary Part NumberT227
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGrove Valve Operations
StatusACTIVE
First End Flange Outside Diameter6.500 INCHES NOMINAL IN
Media for Which DesignedAIR
First End Flange Shape StyleROUND W/ BOLT HOLES
First End Bolt Hole Diameter0.688 INCHES NOMINAL IN
First End Style DesignatorRAISED
Second End Relationship with First EndIDENTICAL
Body StyleSTRAIGHT THRU
First End Bolt Circle Diameter5.000 INCHES NOMINAL IN
First End Connection TypeRAISED FACE FLANGE
First End Bolt Hole Quantity8
Face to Face Distance15.125 INCHES NOMINAL IN
Regulation TypeMANUAL SINGLE STAGE
Valve Stem DesignSINGLE SEAT
MaterialSTEEL CORROSION RESISTING SEAT
FilterNOT INCLUDED
Maximum Inlet Pressure RatingERR-060
Outlet Pressure Range5.0 TO 595.0 CAMERA MOUNT
Valve Loading MethodDOME
Remote Actuation MethodPISTON
End Connection Quantity2
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-112-602260089P1024 INTERCHANGEABLE
Bearing,roller,needle
Patterson Pump Co Div Patterson Pump Company
6210-00-299-612253-0991-000 INTERCHANGEABLE
Lens,light
Dialight Corporation
6150-00-705-9943T227 INTERCHANGEABLE
Load Bank,electrical
Avtron Aerospace Inc
5930-00-871-5686 INTERCHANGEABLE
Switch,rotary
6810-00-949-0257 INTERCHANGEABLE
Hexane
5950-00-968-0535 INTERCHANGEABLE
Transformer
5985-01-138-8404261C2289 INTERCHANGEABLE
Coupler,antenna
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
4730-01-270-24913100300 INTERCHANGEABLE
Tee,flange to Pipe
W S Darley & Co
Cross-Reference Index
Part NumberManufacturer
T227 PRIMARY Grove Valve Operations (USA)
82218S41-344 Naval Ship Systems Command (USA)
H291 Grove Valve Operations (USA)
T227-2IN5T595PSI PRIMARY Grove Valve Operations (USA)
Related Parts
3110-00-112-6022INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
60089P1024
6210-00-299-6122INTERCHANGEABLE
LENS,LIGHT
53-0991-000
6150-00-705-9943INTERCHANGEABLE
LOAD BANK,ELECTRICAL
T227
5930-00-871-5686INTERCHANGEABLE
SWITCH,ROTARY
6810-00-949-0257INTERCHANGEABLE
HEXANE
5950-00-968-0535INTERCHANGEABLE
TRANSFORMER
5985-01-138-8404INTERCHANGEABLE
COUPLER,ANTENNA
261C2289
4730-01-270-2491INTERCHANGEABLE
TEE,FLANGE TO PIPE
3100300

Frequently Asked Questions

What is NSN 4820-00-287-2718?

NSN 4820-00-287-2718 is a Valve,regulating,fluid Pressure, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-287-2718?

NSN 4820-00-287-2718 has 4 cross-referenced part numbers: T227 (Grove Valve Operations), 82218S41-344 (Naval Ship Systems Command), H291 (Grove Valve Operations), T227-2IN5T595PSI (Grove Valve Operations).

What NSN replaces 4820-00-287-2718?

There are 8 known substitutes for 4820-00-287-2718: 3110-00-112-6022, 6210-00-299-6122, 6150-00-705-9943 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T227?

Key specifications for T227: First End Flange Outside Diameter: 6.500 INCHES NOMINAL IN; Media for Which Designed: AIR; First End Flange Shape Style: ROUND W/ BOLT HOLES; First End Bolt Hole Diameter: 0.688 INCHES NOMINAL IN. 21 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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