PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T275B 1-2INValve,globe

Nibco Inc · NSN 4820-01-147-2818 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-147-2818 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-147-2818. Primary manufacturer part number: T275B 1-2IN.
Features
  • Valve,globe — FSC 4820
  • Media for Which Designed: WATER-OIL-GAS FIRST RESPONSE
  • Style Designator: STRAIGHT THRU
  • Material: COPPER ALLOY 694 STEM
  • Nominal Thread Size: 0.500 INCHES ALL ENDS IN
  • Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKING
  • Flow Control Device: DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 694 Stem construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-147-2818, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Nibco Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-147-2818
Primary Part NumberT275B 1-2IN
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNibco Inc
StatusCANCELLED
Media for Which DesignedWATER-OIL-GAS FIRST RESPONSE
Style DesignatorSTRAIGHT THRU
MaterialCOPPER ALLOY 694 STEM
Nominal Thread Size0.500 INCHES ALL ENDS IN
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
MaterialPLASTIC POLYTETRAFLUOROETHYLENE PACKING
Flow Control DeviceDISK
Bonnet Attachment MethodUNION
Maximum Operating Temp550.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Thread Series DesignatorNPT ALL ENDS
Valve Operation MethodMANUAL
Bonnet TypeINSIDE SCREW
Material Document and ClassificationASTM B-371 ALLOY C69400 ASSN STD SINGLE MATERIAL RESPONSE STEM
Features ProvidedBONNET PACKING
Thread DirectionRIGHT-HAND ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Media for Which DesignedSTEAM SECOND RESPONSE
Material Document and ClassificationASTM B61(B) ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MaterialCOPPER ALLOY 922 FLOW CONTROL DEVICE
MaterialCOPPER ALLOY 922 BODY
Material Document and ClassificationASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5815-00-097-6535 INTERCHANGEABLE
Stud Eccentric Chec
4820-00-142-2513033-1-2 INTERCHANGEABLE
Valve,globe
Fairbanks Co the
5920-00-221-50289001027 INTERCHANGEABLE
Fuseholder,block
Us Army Aviation and Missile Command
5310-01-569-541403312 INTERCHANGEABLE
Washer,flat
Defense Logistics Agency Dba Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
205 1/2IN The Walworth Company (USA)
1130 1/2INCH Jenkins Bros (USA)
033 1/2 Fairbanks Co the (USA)
3255 1/2 IN Itt Fluid Technology Corp Itt Engineered Valves Div (USA)
1201 1/2INCH William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
BP-22871 PART T275B 1-2IN Nibco Inc (USA)
T275B 1-2IN PRIMARY Nibco Inc (USA)
BP-22871 Nibco Inc (USA)
0529 1/2IN Fairbanks Co the (USA)
205 The Walworth Company (USA)
3205 1/2IN The Walworth Company (USA)
Related Parts
5815-00-097-6535INTERCHANGEABLE
STUD ECCENTRIC CHEC
4820-00-142-2513INTERCHANGEABLE
VALVE,GLOBE
033-1-2
5920-00-221-5028INTERCHANGEABLE
FUSEHOLDER,BLOCK
9001027
5310-01-569-5414INTERCHANGEABLE
WASHER,FLAT
03312

Frequently Asked Questions

What is NSN 4820-01-147-2818?

NSN 4820-01-147-2818 is a Valve,globe, manufactured by Nibco Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-147-2818?

NSN 4820-01-147-2818 has 11 cross-referenced part numbers: 205 1/2IN (The Walworth Company), 1130 1/2INCH (Jenkins Bros), 033 1/2 (Fairbanks Co the), 3255 1/2 IN (Itt Fluid Technology Corp Itt Engineered Valves Div), 1201 1/2INCH (William Powell Company, the Dba Powell Valve Div the Starflo Corporation) and 6 more.

What NSN replaces 4820-01-147-2818?

There are 4 known substitutes for 4820-01-147-2818: 5815-00-097-6535, 4820-00-142-2513, 5920-00-221-5028 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T275B 1-2IN?

Key specifications for T275B 1-2IN: Media for Which Designed: WATER-OIL-GAS FIRST RESPONSE; Style Designator: STRAIGHT THRU; Material: COPPER ALLOY 694 STEM; Nominal Thread Size: 0.500 INCHES ALL ENDS IN. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-147-2818 still in active supply?

NSN 4820-01-147-2818 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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