PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

052102.200Valve,gate

W. & O. Supply, Inc. Div W&o Norfolk · NSN 4820-01-373-0151 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-373-0151 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-373-0151. Primary manufacturer part number: 052102.200.
Features
  • Valve,gate — FSC 4820
  • Material: COPPER ALLOY BODY
  • Stem Type: RISING
  • Valve Size: 1.000 INCHES IN
  • Material Document and Classification: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK
  • Material Document and Classification: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Connection Type: FLANGE, ROUND W/HOLES
  • Pressure Class: ERR-060
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-373-0151, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is W. & O. Supply, Inc. Div W&o Norfolk. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-373-0151
Primary Part Number052102.200
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerW. & O. Supply, Inc. Div W&o Norfolk
StatusACTIVE
MaterialCOPPER ALLOY BODY
Stem TypeRISING
Valve Size1.000 INCHES IN
Material Document and ClassificationASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK
Material Document and ClassificationASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
Connection TypeFLANGE, ROUND W/HOLES
Pressure ClassERR-060
Bonnet Attachment MethodTHREADED
Material Document and ClassificationASTM ALLOY B-150 NO.1 ASSN STD SINGLE MATERIAL RESPONSE STEM
Bonnet TypeINSIDE SCREW
MaterialCOPPER ALLOY STEM
MaterialCOPPER ALLOY DISK
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-422-4789B1-1 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
5920-00-467-5215 INTERCHANGEABLE
Fuse,open Link
5120-00-568-4749 INTERCHANGEABLE
Screwdriver,torque
5975-00-877-6893 INTERCHANGEABLE
Bushing,electrical Conduit
6625-00-883-9737B-12-5 INTERCHANGEABLE
Lead,test
Fluke Electronics Corp
5975-01-004-0955B125 INTERCHANGEABLE
Hub,conduit
Square D Co
4940-01-158-1874B125 INTERCHANGEABLE
Degreaser
Doers Associates Llc
3530-01-280-4265AC421 INTERCHANGEABLE
Case,bobbin,sewing Machine
Consolidated Sewing Machine Corp
5365-01-357-1762SK56Y21-92-1 SIZE B-125 INTERCHANGEABLE
Spacer,plate
Naval Sea Systems Command
3110-01-481-0578 INTERCHANGEABLE
Ball,bearing
Cross-Reference Index
Part NumberManufacturer
B-125 Stockham Valves and Fittings Inc (USA)
052102.200 PRIMARY W. & O. Supply, Inc. Div W&o Norfolk (USA)
052102.200 W and O Supply Inc (USA)
Related Parts
5940-00-422-4789INTERCHANGEABLE
SPLICE,CONDUCTOR
B1-1
5920-00-467-5215INTERCHANGEABLE
FUSE,OPEN LINK
5120-00-568-4749INTERCHANGEABLE
SCREWDRIVER,TORQUE
5975-00-877-6893INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
6625-00-883-9737INTERCHANGEABLE
LEAD,TEST
B-12-5
5975-01-004-0955INTERCHANGEABLE
HUB,CONDUIT
B125
4940-01-158-1874INTERCHANGEABLE
DEGREASER
B125
3530-01-280-4265INTERCHANGEABLE
CASE,BOBBIN,SEWING MACHINE
AC421
5365-01-357-1762INTERCHANGEABLE
SPACER,PLATE
SK56Y21-92-1 SIZE B-125
3110-01-481-0578INTERCHANGEABLE
BALL,BEARING
3110-01-593-1924INTERCHANGEABLE
BALL,BEARING
B125
5345-01-680-6007INTERCHANGEABLE
DISK,ABRASIVE
B125

Frequently Asked Questions

What is NSN 4820-01-373-0151?

NSN 4820-01-373-0151 is a Valve,gate, manufactured by W. & O. Supply, Inc. Div W&o Norfolk, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-373-0151?

NSN 4820-01-373-0151 has 3 cross-referenced part numbers: B-125 (Stockham Valves and Fittings Inc), 052102.200 (W. & O. Supply, Inc. Div W&o Norfolk), 052102.200 (W and O Supply Inc).

What NSN replaces 4820-01-373-0151?

There are 12 known substitutes for 4820-01-373-0151: 5940-00-422-4789, 5920-00-467-5215, 5120-00-568-4749 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 052102.200?

Key specifications for 052102.200: Material: COPPER ALLOY BODY; Stem Type: RISING; Valve Size: 1.000 INCHES IN; Material Document and Classification: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK. 13 total characteristics are documented in the Federal Logistics Information System.

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