PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61520-4Nozzle,aerial Pressure Refueling

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 1680-01-530-3831 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-530-3831 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-530-3831. Primary manufacturer part number: 61520-4.
Features
  • Nozzle,aerial Pressure Refueling — FSC 1680
  • Criticality Code Justification: AGAV
  • Nuclear Hardness Critical Feature: HARDENED
  • 2 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 Nozzle,aerial Pressure Refueling, cataloged under National Stock Number 1680-01-530-3831, 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. Government technical data includes 2 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-01-530-3831
Primary Part Number61520-4
Item NameNozzle,aerial Pressure Refueling
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
Criticality Code JustificationAGAV
Nuclear Hardness Critical FeatureHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-351-7951SCB69664 INTERCHANGEABLE
Gasket
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-01-231-138350725 INTERCHANGEABLE
Transformer,power
Standex Electronics, Inc.
5930-01-330-5579233021P29 INTERCHANGEABLE
Switch Assembly
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Cross-Reference Index
Part NumberManufacturer
61520-4 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
50725 Mission Systems Davenport Inc. (USA)
Related Parts
5330-00-351-7951INTERCHANGEABLE
GASKET
SCB69664
5950-01-231-1383INTERCHANGEABLE
TRANSFORMER,POWER
50725
5930-01-330-5579INTERCHANGEABLE
SWITCH ASSEMBLY
233021P29

Frequently Asked Questions

What is NSN 1680-01-530-3831?

NSN 1680-01-530-3831 is a Nozzle,aerial Pressure 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 1680-01-530-3831?

NSN 1680-01-530-3831 has 2 cross-referenced part numbers: 61520-4 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems), 50725 (Mission Systems Davenport Inc.).

What NSN replaces 1680-01-530-3831?

There are 3 known substitutes for 1680-01-530-3831: 5330-00-351-7951, 5950-01-231-1383, 5930-01-330-5579. Verify interchangeability with system specifications before substitution.

What are the specifications of 61520-4?

Key specifications for 61520-4: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: COUPLING,REFUELING; Special Features: ACTION ID 45400135; Nuclear Hardness Critical Feature: HARDENED. 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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