PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12123-503Coupling,shaft,rigid

B.w. Elliott Manufacturing Co., Llc · NSN 3010-01-394-8157 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-394-8157 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-394-8157. Primary manufacturer part number: 12123-503.
Features
  • Coupling,shaft,rigid — FSC 3010
  • Style Designator: PLAIN SLEEVE
  • Overall Diameter: 1.625 INCHES NOMINAL IN
  • Bore Diameter: 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE IN
  • Bore Length: 5.000 INCHES NOMINAL THROUGH BORE IN
  • Bore Shape: STRAIGHT THROUGH BORE
  • 5 verified cross-references
  • Primary manufacturer: B.w. Elliott Manufacturing Co., Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-394-8157, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is B.w. Elliott Manufacturing Co., Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-394-8157
Primary Part Number12123-503
Item NameCoupling,shaft,rigid
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerB.w. Elliott Manufacturing Co., Llc
StatusACTIVE
Style DesignatorPLAIN SLEEVE
Overall Diameter1.625 INCHES NOMINAL IN
Bore Diameter1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE IN
Bore Length5.000 INCHES NOMINAL THROUGH BORE IN
Bore ShapeSTRAIGHT THROUGH BORE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6610-00-111-3648 INTERCHANGEABLE
Rack Assembly,compu
5330-00-417-521137C302103P104 INTERCHANGEABLE
Gasket
General Electric Company Dba Ge Aerospace
5999-00-629-72501941879 INTERCHANGEABLE
Cap,electrical
Naval Ship Systems Command
4320-01-114-26951001487 INTERCHANGEABLE
Repair Kit
Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc
7010-01-319-88738550-061 INTERCHANGEABLE
Computer System,digital
International Business Machines Corp Parts Order Center Dept E - 54
5930-01-321-079450061 INTERCHANGEABLE
Switch Assembly
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
3455-01-366-099150061 INTERCHANGEABLE
Cutter,milling,end
Niagara Cutter Inc
3010-01-440-447912123-501 INTERCHANGEABLE
Coupling,shaft,rigid
B.w. Elliott Manufacturing Co., Llc
3439-01-501-839250061 INTERCHANGEABLE
Brazing Alloy,aluminum
Harris J W Co Inc Harris Welco Div
4240-01-696-424150061 INTERCHANGEABLE
Fall Arrester Assembly,guided Ty
Buckingham Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
12123-503 PRIMARY B.w. Elliott Manufacturing Co., Llc (USA)
6776765 SUB ITEM 406 Naval Sea Systems Command (USA)
50061 Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines (USA)
50061-516 Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines (USA)
701-6776765 SUB ITEM 406 Naval Sea Systems Command (USA)
Related Parts
6610-00-111-3648INTERCHANGEABLE
RACK ASSEMBLY,COMPU
5330-00-417-5211INTERCHANGEABLE
GASKET
37C302103P104
5999-00-629-7250INTERCHANGEABLE
CAP,ELECTRICAL
1941879
4320-01-114-2695INTERCHANGEABLE
REPAIR KIT
1001487
7010-01-319-8873INTERCHANGEABLE
COMPUTER SYSTEM,DIGITAL
8550-061
5930-01-321-0794INTERCHANGEABLE
SWITCH ASSEMBLY
50061
3455-01-366-0991INTERCHANGEABLE
CUTTER,MILLING,END
50061
3010-01-440-4479INTERCHANGEABLE
COUPLING,SHAFT,RIGID
12123-501
3439-01-501-8392INTERCHANGEABLE
BRAZING ALLOY,ALUMINUM
50061
4240-01-696-4241INTERCHANGEABLE
FALL ARRESTER ASSEMBLY,GUIDED TY
50061

Frequently Asked Questions

What is NSN 3010-01-394-8157?

NSN 3010-01-394-8157 is a Coupling,shaft,rigid, manufactured by B.w. Elliott Manufacturing Co., Llc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-394-8157?

NSN 3010-01-394-8157 has 5 cross-referenced part numbers: 12123-503 (B.w. Elliott Manufacturing Co., Llc), 6776765 SUB ITEM 406 (Naval Sea Systems Command), 50061 (Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines), 50061-516 (Elliott B W Mfg Co Llc Flex Shaft and Valve Control Product Lines), 701-6776765 SUB ITEM 406 (Naval Sea Systems Command).

What NSN replaces 3010-01-394-8157?

There are 10 known substitutes for 3010-01-394-8157: 6610-00-111-3648, 5330-00-417-5211, 5999-00-629-7250 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12123-503?

Key specifications for 12123-503: Style Designator: PLAIN SLEEVE; Overall Diameter: 1.625 INCHES NOMINAL IN; Bore Diameter: 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM THROUGH BORE IN; Bore Length: 5.000 INCHES NOMINAL THROUGH BORE IN. 6 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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