PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T275B 1INValve,globe

Nibco Inc · NSN 4820-01-147-9302 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-147-9302 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-147-9302. Primary manufacturer part number: T275B 1IN.
Features
  • Valve,globe — FSC 4820
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKING
  • Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 12168, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
  • Material Document and Classification: ASTM B-61(B) ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Bonnet Type: INSIDE SCREW
  • Flow Control Device: DISK
  • Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Packing construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-147-9302, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-147-9302
Primary Part NumberT275B 1IN
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNibco Inc
StatusCANCELLED
MaterialPLASTIC POLYTETRAFLUOROETHYLENE PACKING
Supplementary FeaturesTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 12168, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
Material Document and ClassificationASTM B-61(B) ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Bonnet TypeINSIDE SCREW
Flow Control DeviceDISK
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSTRAIGHT THRU
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Features ProvidedBONNET PACKING
Media for Which DesignedSTEAM FIRST RESPONSE
Thread DirectionRIGHT-HAND ALL ENDS
Bonnet Attachment MethodUNION
Thread Series DesignatorNPT ALL ENDS
Valve Operation MethodMANUAL
Maximum Operating Temp550.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Thread Size1.000 INCHES ALL ENDS IN
Material Document and ClassificationASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Material Document and ClassificationASTM B-371 ALLOY C69400 ASSN STD SINGLE MATERIAL RESPONSE STEM
MaterialCOPPER ALLOY 922 FLOW CONTROL DEVICE
MaterialCOPPER ALLOY 836 SEAT
Material Document and ClassificationASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY 922 BODY
MaterialCOPPER ALLOY 694 STEM
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4820-00-813-46592612-1-4 INTERCHANGEABLE
Valve,globe
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Cross-Reference Index
Part NumberManufacturer
T275B 1IN PRIMARY Nibco Inc (USA)
CP22879 PART T275B 1IN Nibco Inc (USA)
576P Jenkins Bros (USA)
Related Parts
4820-00-813-4659INTERCHANGEABLE
VALVE,GLOBE
2612-1-4

Frequently Asked Questions

What is NSN 4820-01-147-9302?

NSN 4820-01-147-9302 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 4820-01-147-9302?

NSN 4820-01-147-9302 has 3 cross-referenced part numbers: T275B 1IN (Nibco Inc), CP22879 PART T275B 1IN (Nibco Inc), 576P (Jenkins Bros).

What NSN replaces 4820-01-147-9302?

There is 1 known substitute for 4820-01-147-9302: 4820-00-813-4659. Verify interchangeability with system specifications before substitution.

What are the specifications of T275B 1IN?

Key specifications for T275B 1IN: Material: PLASTIC POLYTETRAFLUOROETHYLENE PACKING; Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 12168, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984; Material Document and Classification: ASTM B-61(B) ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-147-9302 still in active supply?

NSN 4820-01-147-9302 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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