PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-3Coupling,flexible,flanged

Ships Machinery International, Inc. · NSN 2010-00-256-5463 · FSC 2010 · No Item Name Available
Verified by PartsTable
NSN 2010-00-256-5463 — this item is cataloged by the U.S. Government under National Stock Number 2010-00-256-5463. Primary manufacturer part number: 21-3.
Features
  • Coupling,flexible,flanged — FSC 2010
  • General Characteristics Item Description: REPAIR PART FOR OUTBOARD DRIVE SHAFT U/O PROPELLING UNIT,OUTBOARD,DIESEL,FSN 2010-410-4442
  • 3 verified cross-references
  • Primary manufacturer: Ships Machinery International, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,flexible,flanged, cataloged under National Stock Number 2010-00-256-5463, is classified within Federal Supply Class 2010 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is Ships Machinery International, Inc.. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2010-00-256-5463
Primary Part Number21-3
Item NameCoupling,flexible,flanged
FSC / FSG2010 / 20 — No Item Name Available
ManufacturerShips Machinery International, Inc.
StatusACTIVE
General Characteristics Item DescriptionREPAIR PART FOR OUTBOARD DRIVE SHAFT U/O PROPELLING UNIT,OUTBOARD,DIESEL,FSN 2010-410-4442
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5962-00-156-0983SN7408N INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
6130-00-504-1255V6673A INTERCHANGEABLE
Vibrator,interrupter
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5998-01-546-0082TN2501-AP INTERCHANGEABLE
Circuit Card Assembly
Avaya Federal Solutions, Inc
5998-01-606-9940 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
20-302-7 Control Flow, Inc. Dba Control Flow Inc (USA)
21-3 PRIMARY Ships Machinery International, Inc. (USA)
20-302-7 Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division (USA)
Related Parts
5962-00-156-0983INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN7408N
6130-00-504-1255INTERCHANGEABLE
VIBRATOR,INTERRUPTER
V6673A
5998-01-546-0082INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
TN2501-AP
5998-01-606-9940INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 2010-00-256-5463?

NSN 2010-00-256-5463 is a Coupling,flexible,flanged, manufactured by Ships Machinery International, Inc., classified under FSC 2010 (No Item Name Available). Status: active.

What are the part numbers for NSN 2010-00-256-5463?

NSN 2010-00-256-5463 has 3 cross-referenced part numbers: 20-302-7 (Control Flow, Inc. Dba Control Flow Inc), 21-3 (Ships Machinery International, Inc.), 20-302-7 (Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division).

What NSN replaces 2010-00-256-5463?

There are 4 known substitutes for 2010-00-256-5463: 5962-00-156-0983, 6130-00-504-1255, 5998-01-546-0082 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-3?

Key specifications for 21-3: General Characteristics Item Description: REPAIR PART FOR OUTBOARD DRIVE SHAFT U/O PROPELLING UNIT,OUTBOARD,DIESEL,FSN 2010-410-4442. 1 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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