PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4RCoupling,shaft,flexible

Certified Couplings Inc · NSN 3010-00-330-7514 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-00-330-7514 — this item is cataloged by the U.S. Government under National Stock Number 3010-00-330-7514. Primary manufacturer part number: 4R.
Features
  • Coupling,shaft,flexible — FSC 3010
  • Design Type: INSERT
  • Bore Length: 1.2850 INCHES NOMINAL BOTH ENDS IN
  • Securing Method: THREADED HOLE(S) BOTH ENDS
  • Threaded Hole Quantity: 1 BOTH ENDS
  • Thread Size Designator: 0.438-14 BOTH ENDS
  • Furnished Items and Quantity: SETSCREW 2
  • Bore Shape: STRAIGHT BOTH ENDS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-330-7514, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Certified Couplings Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3010-00-330-7514
Primary Part Number4R
Item NameCoupling,shaft,flexible
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerCertified Couplings Inc
StatusACTIVE
Design TypeINSERT
Bore Length1.2850 INCHES NOMINAL BOTH ENDS IN
Securing MethodTHREADED HOLE(S) BOTH ENDS
Threaded Hole Quantity1 BOTH ENDS
Thread Size Designator0.438-14 BOTH ENDS
Furnished Items and QuantitySETSCREW 2
Bore ShapeSTRAIGHT BOTH ENDS
Bore Diameter0.5000 INCHES NOMINAL BOTH ENDS IN
Threaded Hole LocationBOTH ENDS: 0.605 IN. FROM END OF HUB IN
Insert MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5905-00-108-4957 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5910-00-161-1103 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5910-00-164-7491 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
3444-00-243-5006 INTERCHANGEABLE
Press,arbor,hand Operated
5120-00-293-0049 INTERCHANGEABLE
Pliers,retaining Ring
3655-00-354-3398 INTERCHANGEABLE
Coupling,fle,ible,a
3415-00-410-20604R INTERCHANGEABLE
Grinding Machine,computer Numeri
Cinetic Landis Grinding Corp. Dba Cinetic Landis Grinding Corp.
6625-00-625-78243191-1132P1ISSUE1 INTERCHANGEABLE
Meter,special Scale
Raytheon Company Dba Raytheon Co
5331-01-563-08084R INTERCHANGEABLE
O-Ring Straight Thr
Ssp Fittings Corp
2815-01-648-23134R INTERCHANGEABLE
Lock,valve Spring Retainer
Subsalve Usa Llc
Cross-Reference Index
Part NumberManufacturer
4R Certified Couplings Inc (USA)
Related Parts
5905-00-108-4957INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5910-00-161-1103INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5910-00-164-7491INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
3444-00-243-5006INTERCHANGEABLE
PRESS,ARBOR,HAND OPERATED
5120-00-293-0049INTERCHANGEABLE
PLIERS,RETAINING RING
3655-00-354-3398INTERCHANGEABLE
COUPLING,FLE,IBLE,A
3415-00-410-2060INTERCHANGEABLE
GRINDING MACHINE,COMPUTER NUMERI
4R
6625-00-625-7824INTERCHANGEABLE
METER,SPECIAL SCALE
3191-1132P1ISSUE1
5331-01-563-0808INTERCHANGEABLE
O-RING STRAIGHT THR
4R
2815-01-648-2313INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
4R

Frequently Asked Questions

What is NSN 3010-00-330-7514?

NSN 3010-00-330-7514 is a Coupling,shaft,flexible, manufactured by Certified Couplings Inc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-00-330-7514?

NSN 3010-00-330-7514 has 1 cross-referenced part number: 4R (Certified Couplings Inc).

What NSN replaces 3010-00-330-7514?

There are 10 known substitutes for 3010-00-330-7514: 5905-00-108-4957, 5910-00-161-1103, 5910-00-164-7491 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4R?

Key specifications for 4R: Design Type: INSERT; Bore Length: 1.2850 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Quantity: 1 BOTH ENDS. 10 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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