PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AMS-R-6855Tubing,nonmetallic

Sae International Dba Sae International · NSN 4720-01-220-5640 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-220-5640 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-220-5640. Primary manufacturer part number: AMS-R-6855.
Features
  • Tubing,nonmetallic — FSC 4720
  • Minimum Tensile Strength: 1500 POUNDS PER SQUARE INCH LBS
  • Exterior Color: NATURAL
  • Inside Surface Condition: SMOOTH
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • Inside Diameter: 0.500 INCHES NOMINAL IN
  • Material Document and Classification: MIL-R-6855, CLASS 2, TYPE A, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE TUBE
  • Material: RUBBER CHLOROPRENE CLASS CR TUBE
Applications
  • Applications requiring Rubber Chloroprene Class Cr Tube construction
General Description

The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-220-5640, 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 Sae International Dba Sae International. Government technical data includes 12 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-220-5640
Primary Part NumberAMS-R-6855
Item NameTubing,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Minimum Tensile Strength1500 POUNDS PER SQUARE INCH LBS
Exterior ColorNATURAL
Inside Surface ConditionSMOOTH
Outside Diameter0.750 INCHES NOMINAL IN
Inside Diameter0.500 INCHES NOMINAL IN
Material Document and ClassificationMIL-R-6855, CLASS 2, TYPE A, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE TUBE
MaterialRUBBER CHLOROPRENE CLASS CR TUBE
FlexibilityFLEXIBLE
Nondefinitive Spec/std Data2 CLASS AND 60 GRADE AND A TYPE
Outer Covering Environmental ProtectionOIL RESISTANT AND OZONE RESISTANT AND WEATHERPROOF AND LOW TEMPERATURE
Nonmetallic Hardness Rating55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-062-1248AMS-R-6855CL4/5GR80BLK INTERCHANGEABLE
Gasket
Sae International Dba Sae International
5330-00-171-8363NAS1523AA4F INTERCHANGEABLE
Packing with Retainer
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-00-235-5455 INTERCHANGEABLE
Tubing,nonmetallic
9320-00-241-9746 INTERCHANGEABLE
Rubber Sheet,solid
5331-00-291-3363CL-2 GR-60 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-783-4515 INTERCHANGEABLE
O-Ring
9320-01-265-2520 INTERCHANGEABLE
Rubber Sheet,solid
5330-01-495-2544 INTERCHANGEABLE
Rubber Round Section
9390-01-497-1631M6855/6-01016D INTERCHANGEABLE
Nonmetallic Special Shaped Secti
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AMS-R-6855 Sae International Dba Sae International (USA)
MIL-R-6855 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AMS-R-6855 Society of Automotive Engineers Inc (USA)
Related Parts
5330-00-062-1248INTERCHANGEABLE
GASKET
AMS-R-6855CL4/5GR80BLK
5330-00-171-8363INTERCHANGEABLE
PACKING WITH RETAINER
NAS1523AA4F
4720-00-235-5455INTERCHANGEABLE
TUBING,NONMETALLIC
9320-00-241-9746INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-00-291-3363INTERCHANGEABLE
O-RING
CL-2 GR-60
5331-00-783-4515INTERCHANGEABLE
O-RING
9320-01-265-2520INTERCHANGEABLE
RUBBER SHEET,SOLID
5330-01-495-2544INTERCHANGEABLE
RUBBER ROUND SECTION
9390-01-497-1631INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
M6855/6-01016D

Frequently Asked Questions

What is NSN 4720-01-220-5640?

NSN 4720-01-220-5640 is a Tubing,nonmetallic, manufactured by Sae International Dba Sae International, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-220-5640?

NSN 4720-01-220-5640 has 3 cross-referenced part numbers: AMS-R-6855 (Sae International Dba Sae International), MIL-R-6855 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AMS-R-6855 (Society of Automotive Engineers Inc).

What NSN replaces 4720-01-220-5640?

There are 9 known substitutes for 4720-01-220-5640: 5330-00-062-1248, 5330-00-171-8363, 4720-00-235-5455 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AMS-R-6855?

Key specifications for AMS-R-6855: Minimum Tensile Strength: 1500 POUNDS PER SQUARE INCH LBS; Exterior Color: NATURAL; Inside Surface Condition: SMOOTH; Outside Diameter: 0.750 INCHES NOMINAL IN. 12 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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