PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16640Hose Assembly,nonmetallic

Haldex Brake Products Corporation · NSN 4720-01-268-7388 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-268-7388 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-268-7388. Primary manufacturer part number: 16640.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Connection Style: PLAIN SECOND END
  • Features Provided: REUSABLE END FITTINGS
  • Thread Direction: RIGHT-HAND FIRST END
  • Burst Test Pressure: 900.0 POUNDS PER SQUARE INCH LBS
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • Thread Series Designator: NPTF FIRST END
  • Nominal Thread Size: 0.375 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-268-7388, 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 Haldex Brake Products Corporation. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-268-7388
Primary Part Number16640
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerHaldex Brake Products Corporation
StatusACTIVE
Connection StylePLAIN SECOND END
Features ProvidedREUSABLE END FITTINGS
Thread DirectionRIGHT-HAND FIRST END
Burst Test Pressure900.0 POUNDS PER SQUARE INCH LBS
Outside Diameter0.750 INCHES NOMINAL IN
Thread Series DesignatorNPTF FIRST END
Nominal Thread Size0.375 INCHES SECOND END IN
Connection StyleSWIVEL, PLAIN FIRST END
Thread DirectionRIGHT-HAND SECOND END
Minimum Inside Bending Radius1.750 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
End Connection DesignSTRAIGHT FIRST END
Layer Composition and Location1ST LAYER MOLDED RUBBER, SYNTHETIC AND 2ND LAYER BRAIDED TEXTILE YARN AND 3RD LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
Exterior ColorBLACK
Hydrostatic Test Pressure450.0 POUNDS PER SQUARE INCH LBS
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Measuring Method and Length40.000 INCHES NOMINAL OVERALL IN
Inside Surface ConditionSMOOTH
Outer Covering Environmental ProtectionOIL RESISTANT
Operating Pressure225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Nominal Thread Size0.375 INCHES FIRST END IN
End Connection DesignSTRAIGHT SECOND END
Temp Rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Inside Diameter0.380 INCHES NOMINAL IN
Thread Series DesignatorNPTF SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-227-3242 INTERCHANGEABLE
Bearing,roller,needle
5330-00-297-503316-640 INTERCHANGEABLE
Gasket
Dresser Industries Inc Leroi Div
4720-01-095-874516630 INTERCHANGEABLE
Hose Assembly,nonmetallic
Haldex Brake Products Corporation
4720-01-261-1036ST32D19-7 INTERCHANGEABLE
Hose Assembly,nonmetallic
Lockheed Martin Corp
4720-01-261-103716654 INTERCHANGEABLE
Hose Assembly,nonmetallic
Haldex Brake Products Corporation
4720-01-271-799816614 INTERCHANGEABLE
Hose Assembly,nonmetallic
Haldex Brake Products Corporation
6515-01-584-280994100E INTERCHANGEABLE
Support,arch
Der-Tex Corporation Dba Frelonic
Cross-Reference Index
Part NumberManufacturer
ST32D19-8 Lockheed Martin Corp (USA)
16640 PRIMARY Haldex Brake Products Corporation (USA)
ST32D19 Lockheed Martin Corp (USA)
Related Parts
3110-00-227-3242INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
5330-00-297-5033INTERCHANGEABLE
GASKET
16-640
4720-01-095-8745INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
16630
4720-01-261-1036INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
ST32D19-7
4720-01-261-1037INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
16654
4720-01-271-7998INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
16614
6515-01-584-2809INTERCHANGEABLE
SUPPORT,ARCH
94100E

Frequently Asked Questions

What is NSN 4720-01-268-7388?

NSN 4720-01-268-7388 is a Hose Assembly,nonmetallic, manufactured by Haldex Brake Products Corporation, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-268-7388?

NSN 4720-01-268-7388 has 3 cross-referenced part numbers: ST32D19-8 (Lockheed Martin Corp), 16640 (Haldex Brake Products Corporation), ST32D19 (Lockheed Martin Corp).

What NSN replaces 4720-01-268-7388?

There are 7 known substitutes for 4720-01-268-7388: 3110-00-227-3242, 5330-00-297-5033, 4720-01-095-8745 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16640?

Key specifications for 16640: Connection Style: PLAIN SECOND END; Features Provided: REUSABLE END FITTINGS; Thread Direction: RIGHT-HAND FIRST END; Burst Test Pressure: 900.0 POUNDS PER SQUARE INCH LBS. 28 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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