PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21248Hose Assembly,nonmetallic

Ritchie Engineering Co Inc · NSN 4720-01-666-4848 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-666-4848 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-666-4848. Primary manufacturer part number: 21248.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Temp Rating: -20.0 FAHRENHEIT AND 180.0 FAHRENHEIT FIRST RESPONSE DEGF
  • Exterior Color: BLUE
  • Operating Pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
  • Measuring Method and Length: 48.0 INCHES NOMINAL OVERALL IN
  • 1 verified cross-reference
  • Primary manufacturer: Ritchie Engineering Co Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-666-4848, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-666-4848
Primary Part Number21248
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerRitchie Engineering Co Inc
StatusACTIVE
Temp Rating-20.0 FAHRENHEIT AND 180.0 FAHRENHEIT FIRST RESPONSE DEGF
Exterior ColorBLUE
Operating Pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Measuring Method and Length48.0 INCHES NOMINAL OVERALL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-232-843621248 INTERCHANGEABLE
Gasket
Industrial Technologies and Services Llc
5110-00-260-1646 INTERCHANGEABLE
Reamer,hand
5355-00-556-0151MS91528-1D2B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5945-01-070-1828 INTERCHANGEABLE
Relay,solid State
5130-01-133-0460 INTERCHANGEABLE
Socket,socket Wrench
4820-01-446-744321242-801-2 INTERCHANGEABLE
Element,restrictor
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-450-7722211036564 INTERCHANGEABLE
Valve,restrictor Check
Naval Sea Systems Command
1680-01-483-771821248 INTERCHANGEABLE
Cam Piston Subassy
Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
9330-01-733-966121248 INTERCHANGEABLE
Filament,additive Manufacturing
Markforged Inc
Cross-Reference Index
Part NumberManufacturer
21248 PRIMARY Ritchie Engineering Co Inc (USA)
Related Parts
5330-00-232-8436INTERCHANGEABLE
GASKET
21248
5110-00-260-1646INTERCHANGEABLE
REAMER,HAND
5355-00-556-0151INTERCHANGEABLE
KNOB
MS91528-1D2B
5945-01-070-1828INTERCHANGEABLE
RELAY,SOLID STATE
5130-01-133-0460INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4820-01-446-7443INTERCHANGEABLE
ELEMENT,RESTRICTOR
21242-801-2
4820-01-450-7722INTERCHANGEABLE
VALVE,RESTRICTOR CHECK
211036564
1680-01-483-7718INTERCHANGEABLE
CAM PISTON SUBASSY
21248
9330-01-733-9661INTERCHANGEABLE
FILAMENT,ADDITIVE MANUFACTURING
21248

Frequently Asked Questions

What is NSN 4720-01-666-4848?

NSN 4720-01-666-4848 is a Hose Assembly,nonmetallic, manufactured by Ritchie Engineering Co Inc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-666-4848?

NSN 4720-01-666-4848 has 1 cross-referenced part number: 21248 (Ritchie Engineering Co Inc).

What NSN replaces 4720-01-666-4848?

There are 9 known substitutes for 4720-01-666-4848: 5330-00-232-8436, 5110-00-260-1646, 5355-00-556-0151 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21248?

Key specifications for 21248: End Item Identification: FIREFIGHTING EQUIPMENT; Temp Rating: -20.0 FAHRENHEIT AND 180.0 FAHRENHEIT FIRST RESPONSE DEGF; Exterior Color: BLUE; Part Name Assigned by Controlling Agency: RYE PLUS II HOSE. 7 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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