PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21291Hose,preformed

Gates Corporation · NSN 4720-01-263-6520 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-263-6520 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-263-6520. Primary manufacturer part number: 21291.
Features
  • Hose,preformed — FSC 4720
  • Inside Diameter: 2.500 INCHES NOMINAL IN
  • Features Provided: ENLARGED ENDS
  • Style Designator: TWO BEND
  • 8 verified cross-references
  • Primary manufacturer: Gates Corporation
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,preformed, cataloged under National Stock Number 4720-01-263-6520, 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 Gates Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 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
NSN4720-01-263-6520
Primary Part Number21291
Item NameHose,preformed
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerGates Corporation
StatusACTIVE
Inside Diameter2.500 INCHES NOMINAL IN
Features ProvidedENLARGED ENDS
Style DesignatorTWO BEND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5110-00-045-621121-291 INTERCHANGEABLE
Blade,file
The Stanley Works Dba Stanley Proto
5120-00-240-5609 INTERCHANGEABLE
Wrench,open End
2910-00-384-0669116185 INTERCHANGEABLE
Shaft and Lever
Am General Llc
9540-00-528-875660-4254 INTERCHANGEABLE
Beam,structural
Transtar Metals Corp
6145-00-542-6090 INTERCHANGEABLE
Cable,radio Frequency
9540-00-554-0140 INTERCHANGEABLE
Beam,structural
5305-00-626-1795386 INTERCHANGEABLE
Screw,cap,hexagon Head
Industrial Technologies and Services Llc
5996-00-725-2701714511-801 INTERCHANGEABLE
Amplifier,direct Current
Raytheon Company
5950-00-929-052861128 INTERCHANGEABLE
Transformer,audio Frequency
Hammond Mfg Co Ltd
4730-00-986-0169 INTERCHANGEABLE
Lateral,drainage Pipe
Cross-Reference Index
Part NumberManufacturer
1647406C1 Navistar Intl Corp Truck Br Ohio Plant (USA)
21291 PRIMARY Gates Corporation (USA)
61128 PRIMARY Contitech Usa, Inc Dba Veyance Technologies (USA)
CH1291 Gates Corporation (USA)
1647408C1 Navistar Intl Corp Truck Br Ohio Plant (USA)
61128 Goodyear Tire and Rubber Co the (USA)
1647406C2 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
21291 Alter Harry Co the Div of T E C (USA)
Related Parts
5110-00-045-6211INTERCHANGEABLE
BLADE,FILE
21-291
5120-00-240-5609INTERCHANGEABLE
WRENCH,OPEN END
2910-00-384-0669INTERCHANGEABLE
SHAFT AND LEVER
116185
9540-00-528-8756INTERCHANGEABLE
BEAM,STRUCTURAL
60-4254
6145-00-542-6090INTERCHANGEABLE
CABLE,RADIO FREQUENCY
9540-00-554-0140INTERCHANGEABLE
BEAM,STRUCTURAL
5305-00-626-1795INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
386
5996-00-725-2701INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
714511-801
5950-00-929-0528INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61128
4730-00-986-0169INTERCHANGEABLE
LATERAL,DRAINAGE PIPE
5365-01-021-4106INTERCHANGEABLE
SPACER,RING
61128
9540-01-029-9062INTERCHANGEABLE
BEAM,STRUCTURAL

Frequently Asked Questions

What is NSN 4720-01-263-6520?

NSN 4720-01-263-6520 is a Hose,preformed, manufactured by Gates Corporation, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-263-6520?

NSN 4720-01-263-6520 has 8 cross-referenced part numbers: 1647406C1 (Navistar Intl Corp Truck Br Ohio Plant), 21291 (Gates Corporation), 61128 (Contitech Usa, Inc Dba Veyance Technologies), CH1291 (Gates Corporation), 1647408C1 (Navistar Intl Corp Truck Br Ohio Plant) and 3 more.

What NSN replaces 4720-01-263-6520?

There are 12 known substitutes for 4720-01-263-6520: 5110-00-045-6211, 5120-00-240-5609, 2910-00-384-0669 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21291?

Key specifications for 21291: End Item Identification: NAVISTAR S SERIES TRUCKS MODEL 1626,1654,1723,1724,1734,1754,1823,1824,1853,1824-4X4,1854,1954,1925,1955,1954-6X6,1955,2125,2155,F2125,F1954,F1924-6X6,1753; Inside Diameter: 2.500 INCHES NOMINAL IN; Features Provided: ENLARGED ENDS; Style Designator: TWO BEND. 4 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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