PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520N-0106-2-4-3-21 3/8Hose Assembly,nonmetallic

Parker-Hannifin Corp Div Parflex Division · NSN 4720-01-272-4388 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-272-4388 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-272-4388. Primary manufacturer part number: 520N-0106-2-4-3-21 3/8.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Measuring Method and Length: 21.875 INCHES NOMINAL OVERALL IN
  • Inside Surface Condition: SMOOTH
  • Exterior Color: BLACK
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Layer Composition and Location: 1ST LAYER BRAIDED FABRIC
  • Cross-Sectional Shape Style: ROUND
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-272-4388, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Parker-Hannifin Corp Div Parflex Division. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-272-4388
Primary Part Number520N-0106-2-4-3-21 3/8
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corp Div Parflex Division
StatusACTIVE
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Measuring Method and Length21.875 INCHES NOMINAL OVERALL IN
Inside Surface ConditionSMOOTH
Exterior ColorBLACK
Connection TypeTHREADED INTERNAL TUBE FIRST END
Layer Composition and Location1ST LAYER BRAIDED FABRIC
Cross-Sectional Shape StyleROUND
Burst Test Pressure20000.0 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-276-6077679279PC13 INTERCHANGEABLE
Grommet,nonmetallic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-674-7592 INTERCHANGEABLE
Pulley,groove
5935-00-764-15183433 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
1620-00-868-57503433 INTERCHANGEABLE
Spacer,spring
Avox Systems Inc Dba Avox Systems Inc
3130-00-872-49073433 INTERCHANGEABLE
Pedestal Bearing
Lockheed Martin Corporation Div Rms
5815-00-896-9716 INTERCHANGEABLE
Dust Seal,case
4140-00-951-5395 INTERCHANGEABLE
Impeller,fan,axial
5340-01-028-549310674008 INTERCHANGEABLE
Bolt,cremone
Us Army Aviation and Missile Command
3120-01-246-2643 INTERCHANGEABLE
Bushing,sleeve
5935-01-295-1342 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
3433 Racal Panorama Inc (USA)
520N-0106-2-4-3-21 3/8 PRIMARY Parker-Hannifin Corp Div Parflex Division (USA)
Related Parts
5325-00-276-6077INTERCHANGEABLE
GROMMET,NONMETALLIC
679279PC13
3020-00-674-7592INTERCHANGEABLE
PULLEY,GROOVE
5935-00-764-1518INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3433
1620-00-868-5750INTERCHANGEABLE
SPACER,SPRING
3433
3130-00-872-4907INTERCHANGEABLE
PEDESTAL BEARING
3433
5815-00-896-9716INTERCHANGEABLE
DUST SEAL,CASE
4140-00-951-5395INTERCHANGEABLE
IMPELLER,FAN,AXIAL
5340-01-028-5493INTERCHANGEABLE
BOLT,CREMONE
10674008
3120-01-246-2643INTERCHANGEABLE
BUSHING,SLEEVE
5935-01-295-1342INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1005-01-462-5155INTERCHANGEABLE
BOLT,BREECH
3433
6610-01-532-4174INTERCHANGEABLE
ALTIMETER,PRESSURE
34-3-3

Frequently Asked Questions

What is NSN 4720-01-272-4388?

NSN 4720-01-272-4388 is a Hose Assembly,nonmetallic, manufactured by Parker-Hannifin Corp Div Parflex Division, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-272-4388?

NSN 4720-01-272-4388 has 2 cross-referenced part numbers: 3433 (Racal Panorama Inc), 520N-0106-2-4-3-21 3/8 (Parker-Hannifin Corp Div Parflex Division).

What NSN replaces 4720-01-272-4388?

There are 12 known substitutes for 4720-01-272-4388: 5325-00-276-6077, 3020-00-674-7592, 5935-00-764-1518 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 520N-0106-2-4-3-21 3/8?

Key specifications for 520N-0106-2-4-3-21 3/8: Connection Type: THREADED EXTERNAL PIPE SECOND END; Measuring Method and Length: 21.875 INCHES NOMINAL OVERALL IN; Inside Surface Condition: SMOOTH; Special Features: U/O BREATHING APPARATUS. 9 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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