PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211-59Coupling,shaft,flexible

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 3010-00-441-9992 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-441-9992 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-441-9992. Primary manufacturer part number: 211-59.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Features Provided: EXPOSED COUPLING BOLT TYPE
  • Spline Quantity: 12 BOTH ENDS
  • Bore Shape: SPLINED BOTH ENDS
  • Design Type: NONINSULATOR SPRING ACTION
  • Securing Method: COMPRESSION BOTH ENDS
  • 2 verified cross-references
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-441-9992, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-00-441-9992
Primary Part Number211-59
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
Features ProvidedEXPOSED COUPLING BOLT TYPE
Spline Quantity12 BOTH ENDS
Bore ShapeSPLINED BOTH ENDS
Design TypeNONINSULATOR SPRING ACTION
Securing MethodCOMPRESSION BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-004-343921159 INTERCHANGEABLE
Bearing,ball,annular
Industrial Technologies and Services Llc
5999-01-096-664507-9031-0062 INTERCHANGEABLE
Shielding Gasket,electronic
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5815-01-171-1603 INTERCHANGEABLE
Switch Board Assy
5330-01-207-246821159 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Parker Hannifin Corporation Div Hydraulic Systems Division
6625-01-223-2980 INTERCHANGEABLE
Ohmmeter
5330-01-291-9098 INTERCHANGEABLE
Seal,plain Encased
5950-01-407-3077H8000074-001 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5305-01-631-291502-031012 INTERCHANGEABLE
Screw,cap,socket Head
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4730-01-689-2973 INTERCHANGEABLE
Elbow,hose
Cross-Reference Index
Part NumberManufacturer
211-59 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
211-59 Donallco Inc (USA)
Related Parts
3110-00-004-3439INTERCHANGEABLE
BEARING,BALL,ANNULAR
21159
5999-01-096-6645INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
07-9031-0062
5815-01-171-1603INTERCHANGEABLE
SWITCH BOARD ASSY
5330-01-207-2468INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
21159
6625-01-223-2980INTERCHANGEABLE
OHMMETER
5330-01-291-9098INTERCHANGEABLE
SEAL,PLAIN ENCASED
5950-01-407-3077INTERCHANGEABLE
REACTOR
H8000074-001
5305-01-631-2915INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
02-031012
4730-01-689-2973INTERCHANGEABLE
ELBOW,HOSE

Frequently Asked Questions

What is NSN 3010-00-441-9992?

NSN 3010-00-441-9992 is a Coupling,shaft,flexible, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-441-9992?

NSN 3010-00-441-9992 has 2 cross-referenced part numbers: 211-59 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 211-59 (Donallco Inc).

What NSN replaces 3010-00-441-9992?

There are 9 known substitutes for 3010-00-441-9992: 3110-00-004-3439, 5999-01-096-6645, 5815-01-171-1603 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 211-59?

Key specifications for 211-59: Features Provided: EXPOSED COUPLING BOLT TYPE; Spline Quantity: 12 BOTH ENDS; Bore Shape: SPLINED BOTH ENDS; Design Type: NONINSULATOR SPRING ACTION. 5 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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