PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4073603Cap,filler Opening,

Rtx Corporation Div Pratt & Whitney · NSN 4730-01-041-6607 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-041-6607 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-041-6607. Primary manufacturer part number: 4073603.
Features
  • Cap,filler Opening, — FSC 4730
  • 18 verified cross-references
  • Primary manufacturer: Rtx Corporation Div Pratt & Whitney
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Cap,filler Opening,, cataloged under National Stock Number 4730-01-041-6607, 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 Rtx Corporation Div Pratt & Whitney. This item has 18 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCap,filler Opening,
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Nimikkeistokeskus Ncb Finland (CAGE A486G); Rtx Corporation Div Pratt & Whitney (CAGE 52661); Transdigm Inc Div Adelwiggins Group (CAGE 79326); Samson Metal & Machine, Inc. (CAGE 74454)
Technical Specifications
ParameterValue
NSN4730-01-041-6607
Primary Part Number4073603
Item NameCap,filler Opening,
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-148-47219383 INTERCHANGEABLE
Washer,flat
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5120-00-288-778351202887793 INTERCHANGEABLE
Tuning Wand,electronic Equipment
General Services Administration Federal Supply Service
4330-00-319-118814429 INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
4730-00-600-1758 INTERCHANGEABLE
Coupling Half,quick Disconnect
4730-00-600-1762 INTERCHANGEABLE
Coupling Half,quick Disconnect
5310-00-656-6973 INTERCHANGEABLE
Nut,plain,hexagon
4730-00-812-9739 INTERCHANGEABLE
Coupling Half,quick Disconnect
6640-01-078-5365875-000 INTERCHANGEABLE
Press,specimen Preparation,labor
Leco Corp
5998-01-132-37699383 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
6635-01-251-35969383 INTERCHANGEABLE
Vibration Kit,propeller
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Cross-Reference Index
Part NumberManufacturer
4073603 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
10159604 Nimikkeistokeskus Ncb Finland (FIN)
4073603 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
W4F12-3 Transdigm Inc Div Adelwiggins Group (USA)
010487 Samson Metal & Machine, Inc. (USA)
4073606 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
4730PL2224228 Jednolity Indeks Materialowy - Uniform Material Index (POL)
401087 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
MIL-DTL-25677 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS24480-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4010487 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
87-5000 PRIMARY Parker Hannifin Corp Dba Pneutronics (USA)
A8730C-2 Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA)
81-2233 Shaw Development, Llc (USA)
4073606 Rtx Corporation Div Pratt & Whitney (USA)
9383 Rolls-Royce Plc Div Defense (europe) (GBR)
9383 Rockwell Collins, Inc. Div Electromechanical Systems (USA)
4073603 Parker Hannifin Corp Dba Pneutronics (USA)
Related Parts
5310-00-148-4721INTERCHANGEABLE
WASHER,FLAT
9383
5120-00-288-7783INTERCHANGEABLE
TUNING WAND,ELECTRONIC EQUIPMENT
51202887793
4330-00-319-1188INTERCHANGEABLE
FILTER ELEMENT,FLUID
14429
4730-00-600-1758INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
4730-00-600-1762INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5310-00-656-6973INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4730-00-812-9739INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
6640-01-078-5365INTERCHANGEABLE
PRESS,SPECIMEN PREPARATION,LABOR
875-000
5998-01-132-3769INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
9383
6635-01-251-3596INTERCHANGEABLE
VIBRATION KIT,PROPELLER
9383
3020-01-259-8413INTERCHANGEABLE
GEAR,SPUR
9383
5935-01-310-9573INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
9383

Frequently Asked Questions

What is NSN 4730-01-041-6607?

NSN 4730-01-041-6607 is a Cap,filler Opening,, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-041-6607?

NSN 4730-01-041-6607 has 18 cross-referenced part numbers: 4073603 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 10159604 (Nimikkeistokeskus Ncb Finland), 4073603 (Rtx Corporation Div Pratt & Whitney), W4F12-3 (Transdigm Inc Div Adelwiggins Group), 010487 (Samson Metal & Machine, Inc.) and 13 more.

What NSN replaces 4730-01-041-6607?

There are 12 known substitutes for 4730-01-041-6607: 5310-00-148-4721, 5120-00-288-7783, 4330-00-319-1188 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-01-041-6607 still in active supply?

NSN 4730-01-041-6607 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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