PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C9685-1Hose Assembly,nonmetallic

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 4720-01-142-4051 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-142-4051 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-142-4051. Primary manufacturer part number: C9685-1.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • 7 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-142-4051, 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 Corporation Div Lockheed Martin Aeronautics Company. This item has 7 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.

Catalog Facts
Item NameHose Assembly,nonmetallic
FSC / FSG4720 — No Item Name Available (FSG 47)
ManufacturersLockheed Martin Corporation Div Lockheed Martin Aeronautics Company (CAGE 81755); Smiths Tubular Systems-Laconia, Inc. (CAGE 78570); Jednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H); Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (CAGE 98441); Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (CAGE 00624)
Technical Specifications
ParameterValue
NSN4720-01-142-4051
Primary Part NumberC9685-1
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5996-00-126-6119109150 INTERCHANGEABLE
Amplifier Subassembly
Astronautics Corporation of America
5950-00-159-8097C9685-1 INTERCHANGEABLE
Coil,electrical
Thomas Electronics, Inc. Dba Thomas Electronics of New York Incorporated
4520-00-684-4342 INTERCHANGEABLE
Heating Element,electrical,nonim
4730-00-730-7030213042N INTERCHANGEABLE
Flange,pipe
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5995-00-950-5925116851 INTERCHANGEABLE
Cable Assembly,special Purpose,e
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
Cross-Reference Index
Part NumberManufacturer
C9685-1 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
116851 Smiths Tubular Systems-Laconia, Inc. (USA)
4720PL1632114 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4720PL0887440 Jednolity Indeks Materialowy - Uniform Material Index (POL)
G240-1 PRIMARY Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
AE706508-1 PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
109150 Smiths Tubular Systems-Laconia, Inc. (USA)
Related Parts
5996-00-126-6119INTERCHANGEABLE
AMPLIFIER SUBASSEMBLY
109150
5950-00-159-8097INTERCHANGEABLE
COIL,ELECTRICAL
C9685-1
4520-00-684-4342INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
4730-00-730-7030INTERCHANGEABLE
FLANGE,PIPE
213042N
5995-00-950-5925INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
116851

Frequently Asked Questions

What is NSN 4720-01-142-4051?

NSN 4720-01-142-4051 is a Hose Assembly,nonmetallic, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-142-4051?

NSN 4720-01-142-4051 has 7 cross-referenced part numbers: C9685-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 116851 (Smiths Tubular Systems-Laconia, Inc.), 4720PL1632114 (Jednolity Indeks Materialowy - Uniform Material Index), 4720PL0887440 (Jednolity Indeks Materialowy - Uniform Material Index), G240-1 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division) and 2 more.

What NSN replaces 4720-01-142-4051?

There are 5 known substitutes for 4720-01-142-4051: 5996-00-126-6119, 5950-00-159-8097, 4520-00-684-4342 and 2 more. Verify interchangeability with system specifications before substitution.

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