PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2377-2-1/2Valve,gate

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-00-142-3133 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-142-3133 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-142-3133. Primary manufacturer part number: 2377-2-1/2.
Features
  • Valve,gate — FSC 4820
  • Material: COPPER ALLOY 922 BODY
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Thread Series Designator: NPT
  • Material Document and Classification: ASTM B371 ALLOY697 ASSN STD SINGLE MATERIAL RESPONSE STEM
  • Furnished Items and Quantity: 1 HANDWHEEL
  • Material: COPPER ALLOY STEM
  • Material Document and Classification: ASTM A276 TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-142-3133, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 20 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-142-3133
Primary Part Number2377-2-1/2
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusCANCELLED
MaterialCOPPER ALLOY 922 BODY
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Thread Series DesignatorNPT
Material Document and ClassificationASTM B371 ALLOY697 ASSN STD SINGLE MATERIAL RESPONSE STEM
Furnished Items and Quantity1 HANDWHEEL
MaterialCOPPER ALLOY STEM
Material Document and ClassificationASTM A276 TYPE 410 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Features ProvidedBONNET PACKING
MaterialSTEEL COMP 410 SEAT
Bonnet TypeINSIDE SCREW
Operating Pressure and Type300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE DISK
MaterialCOPPER ALLOY 922 DISK
Valve Size2.500 INCHES IN
Bonnet Attachment MethodUNION
Nominal Thread Size2.500 INCHES IN
Maximum Operating Temp and Media for Which Designed550.0 FAHRENHEIT STEAM AND 550.0 FAHRENHEIT WATER-OIL-GAS DEGF
Valve Operation MethodMANUAL
Inlet Relationship with OutletIDENTICAL
Stem TypeRISING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6230-00-299-28781438 INTERCHANGEABLE
Guard,lamp
Mcgill Manufacturing Co, Inc
5365-00-603-64691438 INTERCHANGEABLE
Spacer,sleeve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2530-00-620-3556F111786 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5331-00-860-80230R325T INTERCHANGEABLE
O-Ring
Goodyear Tire and Rubber Co the
6625-00-974-7946 INTERCHANGEABLE
Ammeter
3405-01-063-05611438 INTERCHANGEABLE
Disc,friction
Doall Baltimore Company
5330-01-092-99431438 INTERCHANGEABLE
Gasket
Tescom Corp Dba Tescom Div Tescom
3020-01-142-855314-38 INTERCHANGEABLE
Gear Set,matched
Timken Gears & Services Inc. Div Philadelphia Gear
6515-01-188-72221438 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5340-01-268-58889M762-8 INTERCHANGEABLE
Grip,handle
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
FIG1377 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
0427-2-1-2IN Fairbanks Co the (USA)
2377-2-1/2 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
1438 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
6230-00-299-2878INTERCHANGEABLE
GUARD,LAMP
1438
5365-00-603-6469INTERCHANGEABLE
SPACER,SLEEVE
1438
2530-00-620-3556INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
F111786
5331-00-860-8023INTERCHANGEABLE
O-RING
0R325T
6625-00-974-7946INTERCHANGEABLE
AMMETER
3405-01-063-0561INTERCHANGEABLE
DISC,FRICTION
1438
5330-01-092-9943INTERCHANGEABLE
GASKET
1438
3020-01-142-8553INTERCHANGEABLE
GEAR SET,MATCHED
14-38
6515-01-188-7222INTERCHANGEABLE
BAG,OSTOMY
1438
5340-01-268-5888INTERCHANGEABLE
GRIP,HANDLE
9M762-8
3010-01-330-4637INTERCHANGEABLE
COUPLING,SHAFT,RIGID
1438
5998-01-349-8646INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1438

Frequently Asked Questions

What is NSN 4820-00-142-3133?

NSN 4820-00-142-3133 is a Valve,gate, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-142-3133?

NSN 4820-00-142-3133 has 4 cross-referenced part numbers: FIG1377 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 0427-2-1-2IN (Fairbanks Co the), 2377-2-1/2 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 1438 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-00-142-3133?

There are 12 known substitutes for 4820-00-142-3133: 6230-00-299-2878, 5365-00-603-6469, 2530-00-620-3556 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2377-2-1/2?

Key specifications for 2377-2-1/2: Material: COPPER ALLOY 922 BODY; Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY; Thread Series Designator: NPT; Material Document and Classification: ASTM B371 ALLOY697 ASSN STD SINGLE MATERIAL RESPONSE STEM. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-142-3133 still in active supply?

NSN 4820-00-142-3133 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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