PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

02ACoupling,pipe

Eaton Corporation Dba Eaton Inoac · NSN 4730-01-725-9537 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-725-9537 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-725-9537. Primary manufacturer part number: 02A.
Features
  • Coupling,pipe — FSC 4730
  • Nominal Inside Diameter Hose Accommodated: 0.250 INCHES FIRST END IN
  • Media for Which Designed: OXYGEN, GASEOUS SINGLE RESPONSE
  • Material: COPPER ALLOY OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corporation Dba Eaton Inoac
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-725-9537, 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 Corporation Dba Eaton Inoac. Government technical data includes 3 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
NSN4730-01-725-9537
Primary Part Number02A
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac
StatusACTIVE
Nominal Inside Diameter Hose Accommodated0.250 INCHES FIRST END IN
Media for Which DesignedOXYGEN, GASEOUS SINGLE RESPONSE
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3895-00-160-33443360001 INTERCHANGEABLE
Stem
Ed Etnyre & Co
6645-00-250-46806645002504680 INTERCHANGEABLE
Stopwatch
General Services Administration Federal Supply Service
6780-00-559-3336 INTERCHANGEABLE
Water Supply Kit,photographic
Cross-Reference Index
Part NumberManufacturer
02A PRIMARY Eaton Corporation Dba Eaton Inoac (USA)
Related Parts
3895-00-160-3344INTERCHANGEABLE
STEM
3360001
6645-00-250-4680INTERCHANGEABLE
STOPWATCH
6645002504680
6780-00-559-3336INTERCHANGEABLE
WATER SUPPLY KIT,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 4730-01-725-9537?

NSN 4730-01-725-9537 is a Coupling,pipe, manufactured by Eaton Corporation Dba Eaton Inoac, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-725-9537?

NSN 4730-01-725-9537 has 1 cross-referenced part number: 02A (Eaton Corporation Dba Eaton Inoac).

What NSN replaces 4730-01-725-9537?

There are 3 known substitutes for 4730-01-725-9537: 3895-00-160-3344, 6645-00-250-4680, 6780-00-559-3336. Verify interchangeability with system specifications before substitution.

What are the specifications of 02A?

Key specifications for 02A: Nominal Inside Diameter Hose Accommodated: 0.250 INCHES FIRST END IN; Part Name Assigned by Controlling Agency: SERIES 600 1/4 INCH FNPT PLUG BRASS IN; Media for Which Designed: OXYGEN, GASEOUS SINGLE RESPONSE; Material: COPPER ALLOY OVERALL. 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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