PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-58578-12Tailpiece,union

Eaton Aerospace Llc · NSN 4730-01-283-0353 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-283-0353 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-283-0353. Primary manufacturer part number: C-58578-12.
Features
  • Tailpiece,union — FSC 4730
  • End Connection Type: WELDED
  • Seat Type: GASKET
  • Material: STEEL COMP 304
  • Union Outside Diameter: 1.875 INCHES NOMINAL IN
  • Nominal Pipe Size Designation: 0.750 INCHES IN
  • 3 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc
Applications
  • Applications requiring Steel Comp 304 construction
General Description

The Tailpiece,union, cataloged under National Stock Number 4730-01-283-0353, 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 Eaton Aerospace Llc. Government technical data includes 5 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-283-0353
Primary Part NumberC-58578-12
Item NameTailpiece,union
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aerospace Llc
StatusACTIVE
End Connection TypeWELDED
Seat TypeGASKET
MaterialSTEEL COMP 304
Union Outside Diameter1.875 INCHES NOMINAL IN
Nominal Pipe Size Designation0.750 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-788-365058242 INTERCHANGEABLE
Diode
Prestolite Electric Inc
6145-01-043-1528 INTERCHANGEABLE
Wire,electrical
4730-01-191-8683C-58578-08 INTERCHANGEABLE
Tailpiece,union
Eaton Aerospace Llc
4720-01-192-352158578 INTERCHANGEABLE
Tubing,nonmetallic
Bergstrom Inc
4720-01-658-355358578 INTERCHANGEABLE
Tubing Assembly,nonmetallic
Getz Fire Equipment Company Dba Getz Fire Equipment Co
Cross-Reference Index
Part NumberManufacturer
C-58578-12 Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
C-58578-12 PRIMARY Eaton Aerospace Llc (USA)
58578 Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
Related Parts
5961-00-788-3650INTERCHANGEABLE
DIODE
58242
6145-01-043-1528INTERCHANGEABLE
WIRE,ELECTRICAL
4730-01-191-8683INTERCHANGEABLE
TAILPIECE,UNION
C-58578-08
4720-01-192-3521INTERCHANGEABLE
TUBING,NONMETALLIC
58578
4720-01-658-3553INTERCHANGEABLE
TUBING ASSEMBLY,NONMETALLIC
58578

Frequently Asked Questions

What is NSN 4730-01-283-0353?

NSN 4730-01-283-0353 is a Tailpiece,union, manufactured by Eaton Aerospace Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-283-0353?

NSN 4730-01-283-0353 has 3 cross-referenced part numbers: C-58578-12 (Eaton Corporation Dba Eaton Inoac Div Eaton), C-58578-12 (Eaton Aerospace Llc), 58578 (Eaton Corporation Dba Eaton Inoac Div Eaton).

What NSN replaces 4730-01-283-0353?

There are 5 known substitutes for 4730-01-283-0353: 5961-00-788-3650, 6145-01-043-1528, 4730-01-191-8683 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C-58578-12?

Key specifications for C-58578-12: End Connection Type: WELDED; Seat Type: GASKET; Overall Length: 1.125 INCHES NOMINAL IN; Material: STEEL COMP 304. 6 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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