PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12143Adapter,handwheel

Elliott B W Mfg Co Inc · NSN 4810-01-474-4982 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-474-4982 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-474-4982. Primary manufacturer part number: 12143.
Features
  • Adapter,handwheel — FSC 4810
  • Thread Size and Series/type Designator: 0.500-13 UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Elliott B W Mfg Co Inc
Applications
  • Applications requiring Steel construction
General Description

The Adapter,handwheel, cataloged under National Stock Number 4810-01-474-4982, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Elliott B W Mfg Co Inc. Government technical data includes 3 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-474-4982
Primary Part Number12143
Item NameAdapter,handwheel
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerElliott B W Mfg Co Inc
StatusACTIVE
Thread Size and Series/type Designator0.500-13 UNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL
Overall Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-071-2143 INTERCHANGEABLE
Coil,radio Frequency
6720-00-112-87751214-3 INTERCHANGEABLE
Arm,counterweight
Bae Systems Information and Electronic Systems Integration Inc.
6850-00-186-2963 INTERCHANGEABLE
Leak Test Compound
5310-00-297-88333153766PC126 INTERCHANGEABLE
Nut,plain,hexagon
Naval Ship Systems Command
5330-00-435-9046 INTERCHANGEABLE
Gasket
3530-00-449-4021 INTERCHANGEABLE
Presser Foot,sewing Machine
4820-00-538-6884RD-5-3 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Mid-State Sales, Inc. Div Defense Products Group
6550-01-398-241512143 INTERCHANGEABLE
Kit,plasmid
Qiagen, Llc
6150-01-474-9051927439-0140 INTERCHANGEABLE
Cable Assembly,power,electrical
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5340-01-492-728012143-109 INTERCHANGEABLE
Connector,rod End
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
12143 Elliott B W Mfg Co Inc (USA)
12143-206 Elliott B W Mfg Co Inc (USA)
12143-206 B.w. Elliott Manufacturing Co., Llc (USA)
Related Parts
5950-00-071-2143INTERCHANGEABLE
COIL,RADIO FREQUENCY
6720-00-112-8775INTERCHANGEABLE
ARM,COUNTERWEIGHT
1214-3
6850-00-186-2963INTERCHANGEABLE
LEAK TEST COMPOUND
5310-00-297-8833INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3153766PC126
5330-00-435-9046INTERCHANGEABLE
GASKET
3530-00-449-4021INTERCHANGEABLE
PRESSER FOOT,SEWING MACHINE
4820-00-538-6884INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
RD-5-3
6550-01-398-2415INTERCHANGEABLE
KIT,PLASMID
12143
6150-01-474-9051INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
927439-0140
5340-01-492-7280INTERCHANGEABLE
CONNECTOR,ROD END
12143-109
5340-01-492-7284INTERCHANGEABLE
CONNECTOR,ROD END
12143-107
5340-01-492-7289INTERCHANGEABLE
CONNECTOR,ROD END
12143-105

Frequently Asked Questions

What is NSN 4810-01-474-4982?

NSN 4810-01-474-4982 is a Adapter,handwheel, manufactured by Elliott B W Mfg Co Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-474-4982?

NSN 4810-01-474-4982 has 3 cross-referenced part numbers: 12143 (Elliott B W Mfg Co Inc), 12143-206 (Elliott B W Mfg Co Inc), 12143-206 (B.w. Elliott Manufacturing Co., Llc).

What NSN replaces 4810-01-474-4982?

There are 12 known substitutes for 4810-01-474-4982: 5950-00-071-2143, 6720-00-112-8775, 6850-00-186-2963 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12143?

Key specifications for 12143: Special Features: PER MFR THIS ADAPTER IS A SPECIFIC ADAPTER (NOT MULTIPURPOSE) WHICH GOES IN THE MIDDLE OF A HANDWHEEL TO CLOSE A PORT HOLE ON A SHIP; Thread Size and Series/type Designator: 0.500-13 UNIFIED NATIONAL COARSE (UNC); Material: STEEL; Overall Diameter: 1.250 INCHES NOMINAL IN. 4 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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