PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103971Hose Assembly,metallic

Senior Operations Llc Div Senior Aerospace Ssp · NSN 4720-00-217-7393 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-217-7393 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-217-7393. Primary manufacturer part number: 103971.
Features
  • Hose Assembly,metallic — FSC 4720
  • Thread Class: 3A FIRST END A
  • Thread Series Designator: NPT SECOND END
  • Thread Direction: RIGHT-HAND SECOND END
  • Connection Style: FLARED FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • End Connection Design: STRAIGHT SECOND END
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-217-7393, 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 Senior Operations Llc Div Senior Aerospace Ssp. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-217-7393
Primary Part Number103971
Item NameHose Assembly,metallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerSenior Operations Llc Div Senior Aerospace Ssp
StatusCANCELLED
Thread Class3A FIRST END A
Thread Series DesignatorNPT SECOND END
Thread DirectionRIGHT-HAND SECOND END
Connection StyleFLARED FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
End Connection DesignSTRAIGHT SECOND END
Nominal Thread Size0.250 INCHES SECOND END IN
Hydrostatic Test Pressure2000.0 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch18 FIRST END
Connection StylePLAIN SECOND END
Inside Diameter0.375 INCHES NOMINAL IN
Layer Composition and LocationOUTER LAYER BRAIDED BRONZE WIRE
Nominal Thread Size0.750 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Inner Conveying Tube StyleANNULAR CLOSE-PITCH CORRUGATED
End Connection DesignSTRAIGHT FIRST END
Thread Quantity Per Inch18 SECOND END
Thread Series DesignatorUNS FIRST END
Thread DirectionRIGHT-HAND FIRST END
Seat Angle30.0 DEGREES FIRST END
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3020-00-128-8983103971 INTERCHANGEABLE
Gear,spur
Astronautics Corporation of America
5962-01-026-6055 INTERCHANGEABLE
Microcircuit,digital
5340-01-482-848710397-1 INTERCHANGEABLE
Clamp,synchro
Textron Aviation Inc
4720-01-506-5456313198 INTERCHANGEABLE
Tubing,nonmetallic
Du Pont E I De Nemours and Co Inc Security Director/legal Dept
4920-01-560-744310397-1 INTERCHANGEABLE
Test Set,indicator
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
Cross-Reference Index
Part NumberManufacturer
2117019 The Boeing Company (USA)
103971 Senior Operations Llc (USA)
S52648 Senior Operations Llc Div Senior Aerospace Ssp (USA)
2117019 The Boeing Company (USA)
103971 PRIMARY Senior Operations Llc Div Senior Aerospace Ssp (USA)
S52648 Senior Operations Llc (USA)
B2117019 The Boeing Company (USA)
Related Parts
3020-00-128-8983INTERCHANGEABLE
GEAR,SPUR
103971
5962-01-026-6055INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5340-01-482-8487INTERCHANGEABLE
CLAMP,SYNCHRO
10397-1
4720-01-506-5456INTERCHANGEABLE
TUBING,NONMETALLIC
313198
4920-01-560-7443INTERCHANGEABLE
TEST SET,INDICATOR
10397-1

Frequently Asked Questions

What is NSN 4720-00-217-7393?

NSN 4720-00-217-7393 is a Hose Assembly,metallic, manufactured by Senior Operations Llc Div Senior Aerospace Ssp, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-217-7393?

NSN 4720-00-217-7393 has 7 cross-referenced part numbers: 2117019 (The Boeing Company), 103971 (Senior Operations Llc), S52648 (Senior Operations Llc Div Senior Aerospace Ssp), 2117019 (The Boeing Company), 103971 (Senior Operations Llc Div Senior Aerospace Ssp) and 2 more.

What NSN replaces 4720-00-217-7393?

There are 5 known substitutes for 4720-00-217-7393: 3020-00-128-8983, 5962-01-026-6055, 5340-01-482-8487 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 103971?

Key specifications for 103971: Thread Class: 3A FIRST END A; Thread Series Designator: NPT SECOND END; Thread Direction: RIGHT-HAND SECOND END; Connection Style: FLARED FIRST END. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-217-7393 still in active supply?

NSN 4720-00-217-7393 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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