PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61520-2Coupling,refueling

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 1680-01-312-6219 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-312-6219 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-312-6219. Primary manufacturer part number: 61520-2.
Features
  • Coupling,refueling — FSC 1680
  • 4 verified cross-references
  • Primary manufacturer: Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupling,refueling, cataloged under National Stock Number 1680-01-312-6219, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. This item has 4 commercial cross-references from 3 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
NSN1680-01-312-6219
Primary Part Number61520-2
Item NameCoupling,refueling
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-224-73305120-00-224-7330 INTERCHANGEABLE
Jack,hydraulic,hand
General Services Administration Federal Supply Service
9540-00-251-263360-4046 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
5995-00-327-469550311 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Alliant Techsystems Operations Llc Div Defense Electronic Systems
3010-00-389-3291615202 INTERCHANGEABLE
Coupling,shaft,flexible
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-410-51428712803 INTERCHANGEABLE
Transformer,power
Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
4820-00-486-8043 INTERCHANGEABLE
Valve,linear,directional Control
3010-00-488-8543 INTERCHANGEABLE
Coupling,shaft,flexible
1710-00-600-20665031-1 INTERCHANGEABLE
Scraper
Eaton Corporation Dba Jackson Plant
6105-00-660-8165 INTERCHANGEABLE
Cover,electric Motor
4730-00-869-163150311 INTERCHANGEABLE
Fitting,stop
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
Cross-Reference Index
Part NumberManufacturer
QPL81975 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-81975 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
61520-2 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
50311 Mission Systems Davenport Inc. (USA)
Related Parts
5120-00-224-7330INTERCHANGEABLE
JACK,HYDRAULIC,HAND
5120-00-224-7330
9540-00-251-2633INTERCHANGEABLE
ANGLE,STRUCTURAL
60-4046
5995-00-327-4695INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
50311
3010-00-389-3291INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
615202
5950-00-410-5142INTERCHANGEABLE
TRANSFORMER,POWER
8712803
4820-00-486-8043INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
3010-00-488-8543INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
1710-00-600-2066INTERCHANGEABLE
SCRAPER
5031-1
6105-00-660-8165INTERCHANGEABLE
COVER,ELECTRIC MOTOR
4730-00-869-1631INTERCHANGEABLE
FITTING,STOP
50311
5331-01-067-3445INTERCHANGEABLE
O-RING
50311
4730-01-092-1904INTERCHANGEABLE
CLAMP,HOSE

Frequently Asked Questions

What is NSN 1680-01-312-6219?

NSN 1680-01-312-6219 is a Coupling,refueling, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-312-6219?

NSN 1680-01-312-6219 has 4 cross-referenced part numbers: QPL81975 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-81975 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 61520-2 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems), 50311 (Mission Systems Davenport Inc.).

What NSN replaces 1680-01-312-6219?

There are 12 known substitutes for 1680-01-312-6219: 5120-00-224-7330, 9540-00-251-2633, 5995-00-327-4695 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 61520-2?

Key specifications for 61520-2: End Item Identification: GOVERNMENT FURNISHED EQUIPMENT. 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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