PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST49D5Hose Assembly,nonmetallic

Lockheed Martin Corp · NSN 4720-01-241-5491 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-241-5491 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-241-5491. Primary manufacturer part number: ST49D5.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Inside Diameter: 0.250 INCHES NOMINAL IN
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Thread Series Designator: NPTF FIRST END
  • Thread Direction: RIGHT-HAND FIRST END
  • Inside Surface Condition: SMOOTH
  • Nominal Thread Size: 0.375 INCHES FIRST END IN
  • Measuring Method and Length: 120.000 INCHES NOMINAL WORKING IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-241-5491, 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 Lockheed Martin Corp. Government technical data includes 8 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-241-5491
Primary Part NumberST49D5
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Inside Diameter0.250 INCHES NOMINAL IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Thread Series DesignatorNPTF FIRST END
Thread DirectionRIGHT-HAND FIRST END
Inside Surface ConditionSMOOTH
Nominal Thread Size0.375 INCHES FIRST END IN
Measuring Method and Length120.000 INCHES NOMINAL WORKING IN
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5935-00-104-35933702045G001-000 INTERCHANGEABLE
Connector,plug,electrical
Delta Electronics Manufacturing Corp Div Delta Electronics Mfg. Corp.
5330-00-125-73849758 INTERCHANGEABLE
Gasket
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
5315-00-274-99936505-538304PC63 INTERCHANGEABLE
Pin,shoulder,headed
Naval Ship Systems Command
5120-00-343-8210DWG5120-00-343-8210 INTERCHANGEABLE
Die,fastener Setting
General Services Administration Federal Supply Service
5935-00-665-72819758 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5910-00-911-84169758 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Republic Electronics Corp S Inc
4730-00-930-6690 INTERCHANGEABLE
Coupling Half,self-Sealing
5310-01-133-58339758 INTERCHANGEABLE
Nut,plain,clinch
L3 Technologies, Inc. Div L3 Keo
4730-01-241-4646 INTERCHANGEABLE
Tee,pipe
4730-01-241-6617 INTERCHANGEABLE
Coupling Half,self-Sealing
Cross-Reference Index
Part NumberManufacturer
ST49D5 Lockheed Martin Corp (USA)
9758 Bosch Automotive Service Solutions Inc. (USA)
ST49D5-5 Lockheed Martin Corp (USA)
Related Parts
5935-00-104-3593INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3702045G001-000
5330-00-125-7384INTERCHANGEABLE
GASKET
9758
5315-00-274-9993INTERCHANGEABLE
PIN,SHOULDER,HEADED
6505-538304PC63
5120-00-343-8210INTERCHANGEABLE
DIE,FASTENER SETTING
DWG5120-00-343-8210
5935-00-665-7281INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9758
5910-00-911-8416INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
9758
4730-00-930-6690INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
5310-01-133-5833INTERCHANGEABLE
NUT,PLAIN,CLINCH
9758
4730-01-241-4646INTERCHANGEABLE
TEE,PIPE
4730-01-241-6617INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
4720-01-526-9259INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
9758

Frequently Asked Questions

What is NSN 4720-01-241-5491?

NSN 4720-01-241-5491 is a Hose Assembly,nonmetallic, manufactured by Lockheed Martin Corp, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-241-5491?

NSN 4720-01-241-5491 has 3 cross-referenced part numbers: ST49D5 (Lockheed Martin Corp), 9758 (Bosch Automotive Service Solutions Inc.), ST49D5-5 (Lockheed Martin Corp).

What NSN replaces 4720-01-241-5491?

There are 11 known substitutes for 4720-01-241-5491: 5935-00-104-3593, 5330-00-125-7384, 5315-00-274-9993 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST49D5?

Key specifications for ST49D5: Inside Diameter: 0.250 INCHES NOMINAL IN; Connection Type: THREADED EXTERNAL PIPE FIRST END; Thread Series Designator: NPTF FIRST END; Thread Direction: RIGHT-HAND FIRST END. 8 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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