PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1518Flange,pipe

Emerson Electric Co Alco Controls Div · NSN 4730-01-128-5438 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-128-5438 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-128-5438. Primary manufacturer part number: A1518.
Features
  • Flange,pipe — FSC 4730
  • Bolt Circle Diameter: 2.055 INCHES NOMINAL IN
  • Style Designator: OVAL, ONE BOLT HOLE CIRCLE
  • Flange Width: 0.812 INCHES NOMINAL IN
  • Flange Length: 4.000 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • 1 verified cross-reference
  • Primary manufacturer: Emerson Electric Co Alco Controls Div
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-128-5438, 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 Emerson Electric Co Alco Controls Div. Government technical data includes 5 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-128-5438
Primary Part NumberA1518
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEmerson Electric Co Alco Controls Div
StatusACTIVE
Bolt Circle Diameter2.055 INCHES NOMINAL IN
Style DesignatorOVAL, ONE BOLT HOLE CIRCLE
Flange Width0.812 INCHES NOMINAL IN
Flange Length4.000 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-279-1235Z2005-2 INTERCHANGEABLE
Grommet,nonmetallic
Minor Rubber Co Inc
8455-00-460-4199 INTERCHANGEABLE
Insignia,shoulder Sleeve
5930-01-224-1235153C5467P2 INTERCHANGEABLE
Switch,toggle
Bae Systems Controls Inc.
Cross-Reference Index
Part NumberManufacturer
A1518 PRIMARY Emerson Electric Co Alco Controls Div (USA)
Related Parts
5325-00-279-1235INTERCHANGEABLE
GROMMET,NONMETALLIC
Z2005-2
8455-00-460-4199INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5930-01-224-1235INTERCHANGEABLE
SWITCH,TOGGLE
153C5467P2

Frequently Asked Questions

What is NSN 4730-01-128-5438?

NSN 4730-01-128-5438 is a Flange,pipe, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-128-5438?

NSN 4730-01-128-5438 has 1 cross-referenced part number: A1518 (Emerson Electric Co Alco Controls Div).

What NSN replaces 4730-01-128-5438?

There are 3 known substitutes for 4730-01-128-5438: 5325-00-279-1235, 8455-00-460-4199, 5930-01-224-1235. Verify interchangeability with system specifications before substitution.

What are the specifications of A1518?

Key specifications for A1518: Bolt Circle Diameter: 2.055 INCHES NOMINAL IN; Style Designator: OVAL, ONE BOLT HOLE CIRCLE; Flange Width: 0.812 INCHES NOMINAL IN; Flange Length: 4.000 INCHES NOMINAL IN. 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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