PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21636Hose Assembly Set,nonmetallic

Ritchie Engineering Co Inc · NSN 4720-01-728-7459 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-728-7459 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-728-7459. Primary manufacturer part number: 21636.
Features
  • Hose Assembly Set,nonmetallic — FSC 4720
  • Temp Rating: -20.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
  • Hose Length: 36.0 INCHES NOMINAL IN
  • Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Working Pressure Rating: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • 1 verified cross-reference
  • Primary manufacturer: Ritchie Engineering Co Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly Set,nonmetallic, cataloged under National Stock Number 4720-01-728-7459, 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 Ritchie Engineering Co Inc. Government technical data includes 4 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-728-7459
Primary Part Number21636
Item NameHose Assembly Set,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerRitchie Engineering Co Inc
StatusACTIVE
Temp Rating-20.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
Hose Length36.0 INCHES NOMINAL IN
Operating Pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Working Pressure Rating800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6340-00-024-214021636 INTERCHANGEABLE
Fault Assy,positive
Hamilton Sundstrand Corporation Dba Collins Aerospace
3110-00-151-91323-32GRADE3 INTERCHANGEABLE
Ball,bearing
Skf Usa Inc.
5365-00-572-736021636 INTERCHANGEABLE
Ring,e,pansion
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5360-00-597-2188 INTERCHANGEABLE
Spring,helical,extension
5342-00-865-3746L64-BA-20 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5340-00-910-8105216-36 INTERCHANGEABLE
Grip,handle
Fl Industries Inc Pneumotive Div
4210-01-133-9053438735 INTERCHANGEABLE
Extinguisher,fire
Tyco Fire Products Lp
5915-01-330-538610073-7315 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
2930-01-411-623521636 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
5905-01-479-610221636 INTERCHANGEABLE
Resistor,thermal
Rdf Corporation
Cross-Reference Index
Part NumberManufacturer
21636 PRIMARY Ritchie Engineering Co Inc (USA)
Related Parts
6340-00-024-2140INTERCHANGEABLE
FAULT ASSY,POSITIVE
21636
3110-00-151-9132INTERCHANGEABLE
BALL,BEARING
3-32GRADE3
5365-00-572-7360INTERCHANGEABLE
RING,E,PANSION
21636
5360-00-597-2188INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5342-00-865-3746INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
L64-BA-20
5340-00-910-8105INTERCHANGEABLE
GRIP,HANDLE
216-36
4210-01-133-9053INTERCHANGEABLE
EXTINGUISHER,FIRE
438735
5915-01-330-5386INTERCHANGEABLE
FILTER,BAND PASS
10073-7315
2930-01-411-6235INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
21636
5905-01-479-6102INTERCHANGEABLE
RESISTOR,THERMAL
21636

Frequently Asked Questions

What is NSN 4720-01-728-7459?

NSN 4720-01-728-7459 is a Hose Assembly Set,nonmetallic, manufactured by Ritchie Engineering Co Inc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-728-7459?

NSN 4720-01-728-7459 has 1 cross-referenced part number: 21636 (Ritchie Engineering Co Inc).

What NSN replaces 4720-01-728-7459?

There are 10 known substitutes for 4720-01-728-7459: 6340-00-024-2140, 3110-00-151-9132, 5365-00-572-7360 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21636?

Key specifications for 21636: Temp Rating: -20.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF; Part Name Assigned by Controlling Agency: HOSE,CHARGING; Hose Length: 36.0 INCHES NOMINAL IN; Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 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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