PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21439Hose,nonmetallic

Angus Electronics Co Sub of Esterline Corp · NSN 4720-00-105-2917 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-105-2917 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-105-2917. Primary manufacturer part number: 21439.
Features
  • Hose,nonmetallic — FSC 4720
  • Inside Surface Condition: SMOOTH
  • Measuring Method and Length: 3.875 INCHES NOMINAL EXCLUDING END FITTINGS IN
  • 1 verified cross-reference
  • Primary manufacturer: Angus Electronics Co Sub of Esterline Corp
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,nonmetallic, cataloged under National Stock Number 4720-00-105-2917, 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 Angus Electronics Co Sub of Esterline Corp. Government technical data includes 2 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-105-2917
Primary Part Number21439
Item NameHose,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerAngus Electronics Co Sub of Esterline Corp
StatusACTIVE
Inside Surface ConditionSMOOTH
Measuring Method and Length3.875 INCHES NOMINAL EXCLUDING END FITTINGS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6685-00-063-0477 INTERCHANGEABLE
Thermometer,self-Indicating
5930-00-104-8571547456-3 INTERCHANGEABLE
Switch,thermostatic
Honeywell International, Inc Div Aerospace-Tucson
5998-00-421-653121439 INTERCHANGEABLE
Circuit Card Assembly
Rex Systems Incorporated Dba Rex Systems Inc
1680-00-485-428921439 INTERCHANGEABLE
Adapter,valve,co2
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5945-01-263-2806CUA-42-70003 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
5360-01-351-120721439 INTERCHANGEABLE
Spring,helical,compression
Parker Hannifin Corporation Div Hydraulic Systems Division
2935-01-601-182321439 INTERCHANGEABLE
Cooler,lubricating Oil,engine
J and K Electronics
Cross-Reference Index
Part NumberManufacturer
21439 Angus Electronics Co Sub of Esterline Corp (USA)
Related Parts
6685-00-063-0477INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5930-00-104-8571INTERCHANGEABLE
SWITCH,THERMOSTATIC
547456-3
5998-00-421-6531INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21439
1680-00-485-4289INTERCHANGEABLE
ADAPTER,VALVE,CO2
21439
5945-01-263-2806INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
CUA-42-70003
5360-01-351-1207INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21439
2935-01-601-1823INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
21439

Frequently Asked Questions

What is NSN 4720-00-105-2917?

NSN 4720-00-105-2917 is a Hose,nonmetallic, manufactured by Angus Electronics Co Sub of Esterline Corp, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-105-2917?

NSN 4720-00-105-2917 has 1 cross-referenced part number: 21439 (Angus Electronics Co Sub of Esterline Corp).

What NSN replaces 4720-00-105-2917?

There are 7 known substitutes for 4720-00-105-2917: 6685-00-063-0477, 5930-00-104-8571, 5998-00-421-6531 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21439?

Key specifications for 21439: Inside Surface Condition: SMOOTH; Measuring Method and Length: 3.875 INCHES NOMINAL EXCLUDING END FITTINGS IN. 2 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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