PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21662Hose Assembly,nonmetallic

Penflex Inc · NSN 4720-01-434-7949 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-434-7949 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-434-7949. Primary manufacturer part number: 21662.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Cross-Sectional Shape Style: ROUND
  • Layer Composition and Location: 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
  • Layer Composition and Location: OUTER LAYER SPIRALLY LAID STEEL WIRE
  • Inside Diameter: 0.750 INCHES NOMINAL IN
  • Inside Surface Condition: SMOOTH
  • 1 verified cross-reference
  • Primary manufacturer: Penflex Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-434-7949, 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 Penflex Inc. Government technical data includes 5 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-434-7949
Primary Part Number21662
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerPenflex Inc
StatusACTIVE
Cross-Sectional Shape StyleROUND
Layer Composition and Location1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
Layer Composition and LocationOUTER LAYER SPIRALLY LAID STEEL WIRE
Inside Diameter0.750 INCHES NOMINAL IN
Inside Surface ConditionSMOOTH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-156-357610879 INTERCHANGEABLE
Bearing,ball,annular
Uniontools Inc
4320-00-163-107299121662 INTERCHANGEABLE
Pump,rotary
Alfa Laval Inc
5330-00-190-4227 INTERCHANGEABLE
Gasket
5945-00-354-2831 INTERCHANGEABLE
Armature,relay
6680-01-033-1161LS3003 INTERCHANGEABLE
Transmitter,liquid Quantity
Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc
3443-01-054-657521662 INTERCHANGEABLE
Diaphragm
Forenta Lp
5305-01-188-049121662 INTERCHANGEABLE
Screw Assy.,vent
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4420-01-287-7903EV298/1500-VV-3 INTERCHANGEABLE
Cooler,fluid,industrial
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5360-01-331-007221662 INTERCHANGEABLE
Spring,helical,compression
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
21662 Penflex Inc (USA)
Related Parts
3110-00-156-3576INTERCHANGEABLE
BEARING,BALL,ANNULAR
10879
4320-00-163-1072INTERCHANGEABLE
PUMP,ROTARY
99121662
5330-00-190-4227INTERCHANGEABLE
GASKET
5945-00-354-2831INTERCHANGEABLE
ARMATURE,RELAY
6680-01-033-1161INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
LS3003
3443-01-054-6575INTERCHANGEABLE
DIAPHRAGM
21662
5305-01-188-0491INTERCHANGEABLE
SCREW ASSY.,VENT
21662
4420-01-287-7903INTERCHANGEABLE
COOLER,FLUID,INDUSTRIAL
EV298/1500-VV-3
5360-01-331-0072INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21662

Frequently Asked Questions

What is NSN 4720-01-434-7949?

NSN 4720-01-434-7949 is a Hose Assembly,nonmetallic, manufactured by Penflex Inc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-434-7949?

NSN 4720-01-434-7949 has 1 cross-referenced part number: 21662 (Penflex Inc).

What NSN replaces 4720-01-434-7949?

There are 9 known substitutes for 4720-01-434-7949: 3110-00-156-3576, 4320-00-163-1072, 5330-00-190-4227 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21662?

Key specifications for 21662: Cross-Sectional Shape Style: ROUND; Layer Composition and Location: 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE; Layer Composition and Location: OUTER LAYER SPIRALLY LAID STEEL WIRE; Inside Diameter: 0.750 INCHES NOMINAL IN. 6 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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