PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7-490Hose,preformed

Alturdyne International · NSN 4720-01-177-2506 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-177-2506 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-177-2506. Primary manufacturer part number: 7-490.
Features
  • Hose,preformed — FSC 4720
  • Inside Diameter: 4.000 INCHES NOMINAL IN
  • Working Length: 6.000 INCHES NOMINAL IN
  • Style Designator: CONTINUOUS CURVE
  • Material: RUBBER SYNTHETIC OVERALL
  • Wall Thickness: 0.262 INCHES NOMINAL IN
  • Bend Radius: 3.000 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Hose,preformed, cataloged under National Stock Number 4720-01-177-2506, 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 Alturdyne International. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-177-2506
Primary Part Number7-490
Item NameHose,preformed
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerAlturdyne International
StatusACTIVE
Inside Diameter4.000 INCHES NOMINAL IN
Working Length6.000 INCHES NOMINAL IN
Style DesignatorCONTINUOUS CURVE
MaterialRUBBER SYNTHETIC OVERALL
Wall Thickness0.262 INCHES NOMINAL IN
Bend Radius3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5307-00-206-91907490 INTERCHANGEABLE
Stud,plain
Naval Inventory Control Point Mechanicsburg
5935-00-222-00687490 INTERCHANGEABLE
Backshell,electrical Connector
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
4310-00-354-652474-90 INTERCHANGEABLE
Orifice,dampening
Dresser Industries Inc Leroi Div
5962-00-430-2600 INTERCHANGEABLE
Microcircuit,digital
4930-00-467-32717498 INTERCHANGEABLE
Lubricating Gun,handheld
Alemite, Llc Dba Skf Usa Inc.
6150-00-495-3503 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5330-00-587-74981490 INTERCHANGEABLE
Retainer Assy Packi
Aerco International, Inc. Dba Aerco International Inc
6625-00-643-0625 INTERCHANGEABLE
Voltmeter
3030-00-822-2417 INTERCHANGEABLE
Belt,v
7530-01-314-79527490 INTERCHANGEABLE
Clip,record Card
Kidde-Fenwal, Llc
Cross-Reference Index
Part NumberManufacturer
7-490 PRIMARY Alturdyne International (USA)
Related Parts
5307-00-206-9190INTERCHANGEABLE
STUD,PLAIN
7490
5935-00-222-0068INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
7490
4310-00-354-6524INTERCHANGEABLE
ORIFICE,DAMPENING
74-90
5962-00-430-2600INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4930-00-467-3271INTERCHANGEABLE
LUBRICATING GUN,HANDHELD
7498
6150-00-495-3503INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5330-00-587-7498INTERCHANGEABLE
RETAINER ASSY PACKI
1490
6625-00-643-0625INTERCHANGEABLE
VOLTMETER
3030-00-822-2417INTERCHANGEABLE
BELT,V
7530-01-314-7952INTERCHANGEABLE
CLIP,RECORD CARD
7490
5120-01-396-6020INTERCHANGEABLE
SOCKET,SOCKET WRENCH
7490
5930-01-616-9227INTERCHANGEABLE
SWITCH,PUSH-PULL
PP11-51-5.00A-XX-V

Frequently Asked Questions

What is NSN 4720-01-177-2506?

NSN 4720-01-177-2506 is a Hose,preformed, manufactured by Alturdyne International, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-177-2506?

NSN 4720-01-177-2506 has 1 cross-referenced part number: 7-490 (Alturdyne International).

What NSN replaces 4720-01-177-2506?

There are 12 known substitutes for 4720-01-177-2506: 5307-00-206-9190, 5935-00-222-0068, 4310-00-354-6524 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7-490?

Key specifications for 7-490: Inside Diameter: 4.000 INCHES NOMINAL IN; Working Length: 6.000 INCHES NOMINAL IN; Style Designator: CONTINUOUS CURVE; Material: RUBBER SYNTHETIC OVERALL. 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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