PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

96Valve,angle

The Walworth Company · NSN 4820-00-203-3976 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-203-3976 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-203-3976. Primary manufacturer part number: 96.
Features
  • Valve,angle — FSC 4820
  • Material: RUBBER SYNTHETIC FLOW CONTROL DEVICE
  • Thread Quantity Per Inch: 14 ALL ENDS
  • Material: COPPER ALLOY 697 STEM
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Flow Control Device: DISK
  • Bonnet Type: INSIDE SCREW
  • Maximum Operating Temp: 500.0 FAHRENHEIT SINGLE RESPONSE DEGF
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic Flow Control Device construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-203-3976, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Walworth Company. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 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
NSN4820-00-203-3976
Primary Part Number96
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Walworth Company
StatusCANCELLED
MaterialRUBBER SYNTHETIC FLOW CONTROL DEVICE
Thread Quantity Per Inch14 ALL ENDS
MaterialCOPPER ALLOY 697 STEM
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Flow Control DeviceDISK
Bonnet TypeINSIDE SCREW
Maximum Operating Temp500.0 FAHRENHEIT SINGLE RESPONSE DEGF
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MaterialCOPPER ALLOY 836 SEAT
Thread DirectionRIGHT-HAND ALL ENDS
Features ProvidedBONNET PACKING
Specification/standard Data81348-WW-V-51 GOVERNMENT SPECIFICATION
Nominal Thread Size0.750 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
MaterialCOPPER ALLOY 836 BODY
Media for Which DesignedNITROGEN, LIQUID FIRST RESPONSE
Nondefinitive Spec/std DataPE II,CLASS B TYPE
Thread Quantity Per Inch14 ALL ENDS
Style DesignatorANGLE
Thread Series DesignatorNPT ALL ENDS
Features ProvidedBONNET PACKING
Nominal Thread Size0.750 INCHES ALL ENDS IN
Material Document and ClassificationASTM B198 AL875 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B371 AL697 ASSN STD SINGLE MATERIAL RESPONSE STEM
Specification/standard Data81348-WW-V-51 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std DataPE II,CLASS B TYPE
Material Document and ClassificationSSTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
Bonnet Attachment MethodUNION
Material Document and ClassificationASTM B198 AL875 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B371 AL697 ASSN STD SINGLE MATERIAL RESPONSE STEM
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-155-6712108MQ6A7 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
4820-00-203-3980 INTERCHANGEABLE
Valve,angle
4820-00-237-3376 INTERCHANGEABLE
Valve,angle
5996-00-248-9081SC-D-68458 INTERCHANGEABLE
Amplifier,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-273-9897 INTERCHANGEABLE
Valve,angle
4710-00-377-9856 INTERCHANGEABLE
Tube,retarder
4530-00-394-8486B-2-1-201 INTERCHANGEABLE
Barrel,ring
Todd Combustion Inc
5962-00-421-458415134 INTERCHANGEABLE
Microcircuit,digital-Linear
General Dynamics Motion Control Llc
4820-00-541-0374MSS MP-80-87 INTERCHANGEABLE
Valve,angle
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
3110-00-555-52061208-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
Cross-Reference Index
Part NumberManufacturer
IB-454-3-4IN Hammond Valve Corp (USA)
50628 Ohio Brass Co (USA)
96 PRIMARY The Walworth Company (USA)
0168 PRIMARY Hoffman/new Yorker, Inc. (USA)
B-222T PRIMARY Stockham Valves and Fittings Inc (USA)
MSS SP-80 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
151 3-4 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
T-335-Y 3/4 NPT Nibco Inc (USA)
T-335-Y Nibco Inc (USA)
B222 Stockham Valves and Fittings Inc (USA)
96-3/4IN Walworth Co Marine Div (USA)
U-03-3/4IN Fairbanks Co the (USA)
108A Jenkins Bros (USA)
Related Parts
3110-00-155-6712INTERCHANGEABLE
BEARING,BALL,ANNULAR
108MQ6A7
4820-00-203-3980INTERCHANGEABLE
VALVE,ANGLE
4820-00-237-3376INTERCHANGEABLE
VALVE,ANGLE
5996-00-248-9081INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
SC-D-68458
4820-00-273-9897INTERCHANGEABLE
VALVE,ANGLE
4710-00-377-9856INTERCHANGEABLE
TUBE,RETARDER
4530-00-394-8486INTERCHANGEABLE
BARREL,RING
B-2-1-201
5962-00-421-4584INTERCHANGEABLE
MICROCIRCUIT,DIGITAL-LINEAR
15134
4820-00-541-0374INTERCHANGEABLE
VALVE,ANGLE
MSS MP-80-87
3110-00-555-5206INTERCHANGEABLE
BEARING,BALL,ANNULAR
1208-1B1
5950-00-794-5879INTERCHANGEABLE
COIL,RADIO FREQUENCY
B222
5136-00-820-8167INTERCHANGEABLE
TAP,THREAD CUTTING

Frequently Asked Questions

What is NSN 4820-00-203-3976?

NSN 4820-00-203-3976 is a Valve,angle, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-203-3976?

NSN 4820-00-203-3976 has 13 cross-referenced part numbers: IB-454-3-4IN (Hammond Valve Corp), 50628 (Ohio Brass Co), 96 (The Walworth Company), 0168 (Hoffman/new Yorker, Inc.), B-222T (Stockham Valves and Fittings Inc) and 8 more.

What NSN replaces 4820-00-203-3976?

There are 12 known substitutes for 4820-00-203-3976: 3110-00-155-6712, 4820-00-203-3980, 4820-00-237-3376 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 96?

Key specifications for 96: Material: RUBBER SYNTHETIC FLOW CONTROL DEVICE; Thread Quantity Per Inch: 14 ALL ENDS; Material: COPPER ALLOY 697 STEM; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-203-3976 still in active supply?

NSN 4820-00-203-3976 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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