PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MA663RHose Assembly,nonmetallic

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 4720-01-682-4888 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-682-4888 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-682-4888. Primary manufacturer part number: MA663R.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Media for Which Designed: FLUID FIRST RESPONSE
  • Connection Type: THREADED INTERNAL ALL ENDS
  • Cross-Sectional Shape Style: RECTANGULAR
  • Measuring Method and Length: 18.5 INCHES NOMINAL OVERALL IN
  • 3 verified cross-references
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-682-4888, 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 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-682-4888
Primary Part NumberMA663R
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Media for Which DesignedFLUID FIRST RESPONSE
Connection TypeTHREADED INTERNAL ALL ENDS
Cross-Sectional Shape StyleRECTANGULAR
Measuring Method and Length18.5 INCHES NOMINAL OVERALL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-585-824754A126-232 INTERCHANGEABLE
O-Ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
711913 Societe Industrielle Pour Le Developpement De La Securite (FRA)
MA663R Twin Disc (pacific) Pty Ltd (AUS)
MA663R PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5331-00-585-8247INTERCHANGEABLE
O-RING
54A126-232

Frequently Asked Questions

What is NSN 4720-01-682-4888?

NSN 4720-01-682-4888 is a Hose Assembly,nonmetallic, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-682-4888?

NSN 4720-01-682-4888 has 3 cross-referenced part numbers: 711913 (Societe Industrielle Pour Le Developpement De La Securite), MA663R (Twin Disc (pacific) Pty Ltd), MA663R (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 4720-01-682-4888?

There is 1 known substitute for 4720-01-682-4888: 5331-00-585-8247. Verify interchangeability with system specifications before substitution.

What are the specifications of MA663R?

Key specifications for MA663R: Media for Which Designed: FLUID FIRST RESPONSE; Connection Type: THREADED INTERNAL ALL ENDS; Part Name Assigned by Controlling Agency: HOSE ASSEMBLY,NONMETALLIC; Cross-Sectional Shape Style: RECTANGULAR. 5 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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