PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

301020-001Terminal,ventilation Duct

North Wind Test Llc · NSN 4520-01-304-5604 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-304-5604 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-304-5604. Primary manufacturer part number: 301020-001.
Features
  • Terminal,ventilation Duct — FSC 4520
  • 3 verified cross-references
  • Primary manufacturer: North Wind Test Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Terminal,ventilation Duct, cataloged under National Stock Number 4520-01-304-5604, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is North Wind Test Llc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTerminal,ventilation Duct
FSC / FSG4520 — No Item Name Available (FSG 45)
ManufacturersNorth Wind Test Llc (CAGE 54933); Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (CAGE 00624)
Technical Specifications
ParameterValue
NSN4520-01-304-5604
Primary Part Number301020-001
Item NameTerminal,ventilation Duct
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerNorth Wind Test Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6610-00-086-285330E INTERCHANGEABLE
Indicator,angle
Rosemount Aerospace Inc Dba Rosemount Aerospace Inc
5920-00-280-9530AGA20 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
6515-00-338-7600 INTERCHANGEABLE
Forceps,uterine
5985-00-661-0038494-835 INTERCHANGEABLE
Coupler,transmission Line
Cpi Satcom & Antenna Technologies Inc.
5962-01-390-7173301020 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation
4920-01-412-672513531338 INTERCHANGEABLE
Adapter,cable Breakout
Us Army Aviation and Missile Command
6515-01-458-456736-2295 INTERCHANGEABLE
Forceps,tissue
Sklar Corporation Dba Sklar Instruments
Cross-Reference Index
Part NumberManufacturer
301020 North Wind Test Llc (USA)
100053-009 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
301020-001 PRIMARY North Wind Test Llc (USA)
Related Parts
6610-00-086-2853INTERCHANGEABLE
INDICATOR,ANGLE
30E
5920-00-280-9530INTERCHANGEABLE
FUSE,CARTRIDGE
AGA20
6515-00-338-7600INTERCHANGEABLE
FORCEPS,UTERINE
5985-00-661-0038INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
494-835
5962-01-390-7173INTERCHANGEABLE
MICROCIRCUIT,MEMORY
301020
4920-01-412-6725INTERCHANGEABLE
ADAPTER,CABLE BREAKOUT
13531338
6515-01-458-4567INTERCHANGEABLE
FORCEPS,TISSUE
36-2295

Frequently Asked Questions

What is NSN 4520-01-304-5604?

NSN 4520-01-304-5604 is a Terminal,ventilation Duct, manufactured by North Wind Test Llc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-304-5604?

NSN 4520-01-304-5604 has 3 cross-referenced part numbers: 301020 (North Wind Test Llc), 100053-009 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 301020-001 (North Wind Test Llc).

What NSN replaces 4520-01-304-5604?

There are 7 known substitutes for 4520-01-304-5604: 6610-00-086-2853, 5920-00-280-9530, 6515-00-338-7600 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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