PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20R1Hose,nonmetallic

Society of Automotive Engineers Inc · NSN 4720-00-421-1323 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-421-1323 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-421-1323. Primary manufacturer part number: 20R1.
Features
  • Hose,nonmetallic — FSC 4720
  • Measuring Method and Length: 24.000 INCHES NOMINAL OVERALL IN
  • Nondefinitive Spec/std Data: 1 TYPE AND B GRADE
  • Material: RUBBER SYNTHETIC TUBE
  • Layer Composition and Location: 1ST LAYER BRAIDED FABRIC AND 2ND LAYER BRAIDED FABRIC AND OUTER LAYER SPIRALLY WRAPPED RUBBER FABRIC
  • Inside Surface Condition: SMOOTH
  • Exterior Color: BLACK
  • Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Rubber Synthetic Tube construction
General Description

The Hose,nonmetallic, cataloged under National Stock Number 4720-00-421-1323, 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 Society of Automotive Engineers Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-421-1323
Primary Part Number20R1
Item NameHose,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Measuring Method and Length24.000 INCHES NOMINAL OVERALL IN
Nondefinitive Spec/std Data1 TYPE AND B GRADE
MaterialRUBBER SYNTHETIC TUBE
Layer Composition and Location1ST LAYER BRAIDED FABRIC AND 2ND LAYER BRAIDED FABRIC AND OUTER LAYER SPIRALLY WRAPPED RUBBER FABRIC
Inside Surface ConditionSMOOTH
Exterior ColorBLACK
Temp Rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Outside Diameter1.500 INCHES NOMINAL IN
Inside Diameter1.125 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Specification/standard Data81348-ZZ-H-428 GOVERNMENT SPECIFICATION
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4720-00-349-1517M20597X INTERCHANGEABLE
Hose,nonmetallic
Cnh Industrial America Llc Dba Cnh America
4720-00-436-30471944 INTERCHANGEABLE
Hose,nonmetallic
Dresser, Llc
5915-01-180-90039100-0030 INTERCHANGEABLE
Filter,radio Frequency Interfere
Br Communications (inc)
4720-01-218-337712309272-18 INTERCHANGEABLE
Hose,nonmetallic
U S Army Tank Automotive Command Amsta-Im-Mm
4720-01-367-54594176-1204 INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
20R1 Society of Automotive Engineers Inc (USA)
MS521301B207240 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
20R1 Sae International Dba Sae International (USA)
ZZ-H-428 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5141133 Rolls-Royce Solutions America Inc (USA)
Related Parts
4720-00-349-1517INTERCHANGEABLE
HOSE,NONMETALLIC
M20597X
4720-00-436-3047INTERCHANGEABLE
HOSE,NONMETALLIC
1944
5915-01-180-9003INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
9100-0030
4720-01-218-3377INTERCHANGEABLE
HOSE,NONMETALLIC
12309272-18
4720-01-367-5459INTERCHANGEABLE
HOSE,NONMETALLIC
4176-1204

Frequently Asked Questions

What is NSN 4720-00-421-1323?

NSN 4720-00-421-1323 is a Hose,nonmetallic, manufactured by Society of Automotive Engineers Inc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-421-1323?

NSN 4720-00-421-1323 has 5 cross-referenced part numbers: 20R1 (Society of Automotive Engineers Inc), MS521301B207240 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 20R1 (Sae International Dba Sae International), ZZ-H-428 (Federal Specifications Promulgated by General Services Administration Washington DC), 5141133 (Rolls-Royce Solutions America Inc).

What NSN replaces 4720-00-421-1323?

There are 5 known substitutes for 4720-00-421-1323: 4720-00-349-1517, 4720-00-436-3047, 5915-01-180-9003 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20R1?

Key specifications for 20R1: Measuring Method and Length: 24.000 INCHES NOMINAL OVERALL IN; Nondefinitive Spec/std Data: 1 TYPE AND B GRADE; Material: RUBBER SYNTHETIC TUBE; Layer Composition and Location: 1ST LAYER BRAIDED FABRIC AND 2ND LAYER BRAIDED FABRIC AND OUTER LAYER SPIRALLY WRAPPED RUBBER FABRIC. 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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