PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TDRF271Valve,globe

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-00-809-5094 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-809-5094 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-809-5094. Primary manufacturer part number: TDRF271.
Features
  • Valve,globe — FSC 4820
  • Valve Operation Method: MANUAL
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
  • Features Provided: BONNET PACKING
  • Surface Treatment: PASSIVATE
  • Bonnet Attachment Method: THREADED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-809-5094, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-809-5094
Primary Part NumberTDRF271
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusCANCELLED
Valve Operation MethodMANUAL
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSTRAIGHT THRU
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Features ProvidedBONNET PACKING
Surface TreatmentPASSIVATE
Bonnet Attachment MethodTHREADED
Thread Series DesignatorNPT ALL ENDS
Flow Control DeviceNEEDLE
Bonnet TypeINSIDE SCREW
Thread DirectionRIGHT-HAND ALL ENDS
MaterialSTEEL COMP 303 OVERALL
Criticality Code JustificationFEAT
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Nominal Thread Size0.250 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5355-00-797-4362270-12 INTERCHANGEABLE
Knob
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
3110-01-166-957612707424 INTERCHANGEABLE
Bearing,ball,annular
Mpb Corporation Dba Mpb Corp
4820-01-196-7443HL-18828 PIECE 258 INTERCHANGEABLE
Valve,check
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4310-01-198-4330HL-18828 PIECE 7 INTERCHANGEABLE
Housing,oil Seal
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5920-01-354-464520080 ITEM 83 INTERCHANGEABLE
Fuseholder,extractor Post
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
5360-01-416-274565372 INTERCHANGEABLE
Spring,helical,torsion
Colt's Manufacturing Company, Llc
7050-01-597-62036537-2 INTERCHANGEABLE
Dynatrol Plc
Edro Corporation, the Dba Edro Corp
Cross-Reference Index
Part NumberManufacturer
3R28755 Ingersoll Rand Co (USA)
KN53-02 PMX Hj Kirby Corp (USA)
MD271-1 AND MPL-892 Derbyshire Machine & Tool Co (USA)
TRF271 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
HL-18828 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
HL-18828 PIECE 257 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
6GPDS271-1 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
A240294 Majestic Radio and Television
65372 Davey Compressor Co Div of Keco Industries Inc (USA)
M1602-892B Derbyshire Machine & Tool Co (USA)
M1602-892B Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA)
HL-18828 PIECE 257 Atlas Copco Holyoke Inc (USA)
TREF271 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
A240294 Joy Global Underground Mining Llc (USA)
A240294 Joy Mfg Co Air Power Group Michigan City Plant (USA)
TDRF271 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
5355-00-797-4362INTERCHANGEABLE
KNOB
270-12
3110-01-166-9576INTERCHANGEABLE
BEARING,BALL,ANNULAR
12707424
4820-01-196-7443INTERCHANGEABLE
VALVE,CHECK
HL-18828 PIECE 258
4310-01-198-4330INTERCHANGEABLE
HOUSING,OIL SEAL
HL-18828 PIECE 7
5920-01-354-4645INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
20080 ITEM 83
5360-01-416-2745INTERCHANGEABLE
SPRING,HELICAL,TORSION
65372
7050-01-597-6203INTERCHANGEABLE
DYNATROL PLC
6537-2

Frequently Asked Questions

What is NSN 4820-00-809-5094?

NSN 4820-00-809-5094 is a Valve,globe, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-809-5094?

NSN 4820-00-809-5094 has 16 cross-referenced part numbers: 3R28755 (Ingersoll Rand Co), KN53-02 PMX (Hj Kirby Corp), MD271-1 AND MPL-892 (Derbyshire Machine & Tool Co), TRF271 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), HL-18828 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 11 more.

What NSN replaces 4820-00-809-5094?

There are 7 known substitutes for 4820-00-809-5094: 5355-00-797-4362, 3110-01-166-9576, 4820-01-196-7443 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TDRF271?

Key specifications for TDRF271: Valve Operation Method: MANUAL; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-809-5094 still in active supply?

NSN 4820-00-809-5094 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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