PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50004Coupling,tube

Ini Power Systems, Inc. Dba I N I · NSN 4730-01-656-8755 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-656-8755 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-656-8755. Primary manufacturer part number: 50004.
Features
  • Coupling,tube — FSC 4730
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Type: UNTHREADED INTERNAL HOSE SECOND END
  • Nominal Width: 1.180 INCHES ALL ENDS IN
  • Nominal Length: 1.380 INCHES ALL ENDS IN
  • 1 verified cross-reference
  • Primary manufacturer: Ini Power Systems, Inc. Dba I N I
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling,tube, cataloged under National Stock Number 4730-01-656-8755, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Ini Power Systems, Inc. Dba I N I. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-656-8755
Primary Part Number50004
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerIni Power Systems, Inc. Dba I N I
StatusACTIVE
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection TypeUNTHREADED INTERNAL HOSE SECOND END
Nominal Width1.180 INCHES ALL ENDS IN
Nominal Length1.380 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9505-00-483-621950004 INTERCHANGEABLE
Wire-Cyl Head Lock-
Hamilton Sundstrand Corporation Dba Collins Aerospace
3120-00-662-744650004 INTERCHANGEABLE
Bushing,sleeve
Parker Hannifin Corporation Div Hydraulic Systems Division
4730-01-039-44435000-4 INTERCHANGEABLE
Clamp,hose,special-Shaped
L3harris Technologies, Inc. Div Space and Airborne Systems
6640-01-060-9671 INTERCHANGEABLE
Cabinet,biological Safety
5995-01-279-181850004 INTERCHANGEABLE
Cable Assembly,printed,flexible
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5340-01-350-056750004 INTERCHANGEABLE
Clamp,loop
Hf Scientific Inc.
3040-01-399-091250004-2 INTERCHANGEABLE
Shaft,shouldered
Morpac Industries, Inc Div Actuator
5340-01-417-24485000-4 INTERCHANGEABLE
Clamp,synchro
Clippard Instrument Laboratory Inc
5910-01-549-694550004 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Cold Point Corporation Dba Adirondack-Aire
6550-01-580-854350004 INTERCHANGEABLE
Agarose
Lonza Baltimore, Inc.
Cross-Reference Index
Part NumberManufacturer
50004 Ini Power Systems, Inc. Dba I N I (USA)
Related Parts
9505-00-483-6219INTERCHANGEABLE
WIRE-CYL HEAD LOCK-
50004
3120-00-662-7446INTERCHANGEABLE
BUSHING,SLEEVE
50004
4730-01-039-4443INTERCHANGEABLE
CLAMP,HOSE,SPECIAL-SHAPED
5000-4
6640-01-060-9671INTERCHANGEABLE
CABINET,BIOLOGICAL SAFETY
5995-01-279-1818INTERCHANGEABLE
CABLE ASSEMBLY,PRINTED,FLEXIBLE
50004
5340-01-350-0567INTERCHANGEABLE
CLAMP,LOOP
50004
3040-01-399-0912INTERCHANGEABLE
SHAFT,SHOULDERED
50004-2
5340-01-417-2448INTERCHANGEABLE
CLAMP,SYNCHRO
5000-4
5910-01-549-6945INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
50004
6550-01-580-8543INTERCHANGEABLE
AGAROSE
50004
5306-01-647-3998INTERCHANGEABLE
ROD,THREADED END
50004
3040-01-655-9212INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
5-0004

Frequently Asked Questions

What is NSN 4730-01-656-8755?

NSN 4730-01-656-8755 is a Coupling,tube, manufactured by Ini Power Systems, Inc. Dba I N I, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-656-8755?

NSN 4730-01-656-8755 has 1 cross-referenced part number: 50004 (Ini Power Systems, Inc. Dba I N I).

What NSN replaces 4730-01-656-8755?

There are 12 known substitutes for 4730-01-656-8755: 9505-00-483-6219, 3120-00-662-7446, 4730-01-039-4443 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50004?

Key specifications for 50004: Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: UNTHREADED INTERNAL HOSE SECOND END; Nominal Width: 1.180 INCHES ALL ENDS IN; Nominal Length: 1.380 INCHES ALL ENDS IN. 5 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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