PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T0559DHose Assembly,metallic

Drs Environmental Systems Inc · NSN 4720-00-142-1677 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-142-1677 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-142-1677. Primary manufacturer part number: T0559D.
Features
  • Hose Assembly,metallic — FSC 4720
  • Temp Rating: 1250.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Thread Class: 2B SECOND END
  • Connection Style: GASKET SEAL / OPTIONAL END SECOND END
  • Thread Direction: RIGHT-HAND FIRST END
  • Minimum Inside Bending Radius: 4.000 INCHES IN
  • Thread Series Designator: UNS SECOND END
  • Connection Style: PLAIN OPTIONAL END FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-142-1677, 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 Drs Environmental Systems Inc. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-142-1677
Primary Part NumberT0559D
Item NameHose Assembly,metallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusCANCELLED
Temp Rating1250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class2B SECOND END
Connection StyleGASKET SEAL / OPTIONAL END SECOND END
Thread DirectionRIGHT-HAND FIRST END
Minimum Inside Bending Radius4.000 INCHES IN
Thread Series DesignatorUNS SECOND END
Connection StylePLAIN OPTIONAL END FIRST END
Inner Conveying Tube StyleANNULAR CLOSE-PITCH CORRUGATED
Thread DirectionRIGHT-HAND SECOND END
Nominal Thread Size0.750 INCHES FIRST END IN
Exterior ColorNATURAL
Outside Diameter0.703 INCHES NOMINAL IN
Nominal Thread Size1.000 INCHES SECOND END IN
Measuring Method and Length36.500 INCHES NOMINAL OVERALL IN
Thread Series DesignatorNPT FIRST END
Thread Quantity Per Inch14 SECOND END
Inside Diameter0.500 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5985-00-138-9793MD-025X029 INTERCHANGEABLE
Switch,waveguide
Caes Mission Systems Llc
6240-00-196-4505 INTERCHANGEABLE
Lamp,incandescent
5975-00-296-02851483 INTERCHANGEABLE
Stuffing Tube
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5330-00-311-8202 INTERCHANGEABLE
Gasket
5110-00-509-806289-1483 INTERCHANGEABLE
Die,fastener Setting
Morito Scovill Americas, Llc Dba Scovill Manufacturing
2805-00-646-8981120-0400 INTERCHANGEABLE
Strainer,oil Pump
Cummins Power Generation Inc.
5930-00-708-1967010-1483 INTERCHANGEABLE
Switch,control Pane
Ranco Inc Ranco Controls Div
2540-00-737-3311103987R91 INTERCHANGEABLE
Cushion,seat Back,vehicular
Navistar Intl Corp Truck Br Ohio Plant
4140-01-036-3114 INTERCHANGEABLE
Impeller,fan,axial
4920-01-038-08881483 INTERCHANGEABLE
Module,test Drive
National Yiddish Book Center, Inc. Dba National Yiddish Book Center Inc
Cross-Reference Index
Part NumberManufacturer
T0559D Drs Environmental Systems Inc (USA)
D9T0559D Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
T0559D Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
1483 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
T0559D Universal Logistics Corp Clark Div (USA)
Related Parts
5985-00-138-9793INTERCHANGEABLE
SWITCH,WAVEGUIDE
MD-025X029
6240-00-196-4505INTERCHANGEABLE
LAMP,INCANDESCENT
5975-00-296-0285INTERCHANGEABLE
STUFFING TUBE
1483
5330-00-311-8202INTERCHANGEABLE
GASKET
5110-00-509-8062INTERCHANGEABLE
DIE,FASTENER SETTING
89-1483
2805-00-646-8981INTERCHANGEABLE
STRAINER,OIL PUMP
120-0400
5930-00-708-1967INTERCHANGEABLE
SWITCH,CONTROL PANE
010-1483
2540-00-737-3311INTERCHANGEABLE
CUSHION,SEAT BACK,VEHICULAR
103987R91
4140-01-036-3114INTERCHANGEABLE
IMPELLER,FAN,AXIAL
4920-01-038-0888INTERCHANGEABLE
MODULE,TEST DRIVE
1483
5975-01-234-0981INTERCHANGEABLE
ELBOW,ELECTRICAL CONDUIT
1483
6515-01-317-6400INTERCHANGEABLE
BAG,OSTOMY
1483

Frequently Asked Questions

What is NSN 4720-00-142-1677?

NSN 4720-00-142-1677 is a Hose Assembly,metallic, manufactured by Drs Environmental Systems Inc, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-142-1677?

NSN 4720-00-142-1677 has 5 cross-referenced part numbers: T0559D (Drs Environmental Systems Inc), D9T0559D (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), T0559D (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), 1483 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense), T0559D (Universal Logistics Corp Clark Div).

What NSN replaces 4720-00-142-1677?

There are 12 known substitutes for 4720-00-142-1677: 5985-00-138-9793, 6240-00-196-4505, 5975-00-296-0285 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T0559D?

Key specifications for T0559D: Temp Rating: 1250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Thread Class: 2B SECOND END; Connection Style: GASKET SEAL / OPTIONAL END SECOND END; Thread Direction: RIGHT-HAND FIRST END. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-142-1677 still in active supply?

NSN 4720-00-142-1677 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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