PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3404028Coupling,pipe

Frink America Inc · NSN 4730-00-595-4452 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-595-4452 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-595-4452. Primary manufacturer part number: 3404028.
Features
  • Coupling,pipe — FSC 4730
  • Style Designator: THREADED EXTERNAL RIGID, THREADED INTERNAL SWIVEL
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Thread Series Designator: NPTF SECOND END
  • Nominal Overall Length: 1.547 INCHES IN
  • Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN
  • Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-595-4452, 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 Frink America Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-595-4452
Primary Part Number3404028
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFrink America Inc
StatusACTIVE
Style DesignatorTHREADED EXTERNAL RIGID, THREADED INTERNAL SWIVEL
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Series DesignatorNPTF SECOND END
Nominal Overall Length1.547 INCHES IN
Nominal Pipe Size Accommodated0.500 INCHES SECOND END IN
Nominal Pipe Size Accommodated0.500 INCHES FIRST END IN
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM INSIDE
Surface TreatmentCADMIUM OUTSIDE
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Nominal Thread Size0.500 INCHES SECOND END IN
Thread Series DesignatorNPSM FIRST END
Nominal Thread Size0.500 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2910-00-302-639133219 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5340-01-481-3203P1109 INTERCHANGEABLE
Hanger,pipe
Unistrut International Corporation Dba Unistrut Diversified Products
Cross-Reference Index
Part NumberManufacturer
3404028 PRIMARY Frink America Inc (USA)
SI1237 Komatsu American Intl Co (USA)
SPF24 PRIMARY Altec Industries Inc Eastern Div (USA)
4408861 PRIMARY Agco Corp Parts Opn (USA)
47-8X8 Anchor Coupling Co Inc (USA)
H1009-16 Conveyor Co the
623 Parker Hannifin Corp Hose Products Div (USA)
P1109 Snook Snow Plow Co (USA)
104A144 PRIMARY Heil Environmental Industries (USA)
P6141 Bomag Usa Sub of United Dominion Industries Ltd (USA)
Related Parts
2910-00-302-6391INTERCHANGEABLE
FILTER ELEMENT,FLUID
33219
5340-01-481-3203INTERCHANGEABLE
HANGER,PIPE
P1109

Frequently Asked Questions

What is NSN 4730-00-595-4452?

NSN 4730-00-595-4452 is a Coupling,pipe, manufactured by Frink America Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-595-4452?

NSN 4730-00-595-4452 has 10 cross-referenced part numbers: 3404028 (Frink America Inc), SI1237 (Komatsu American Intl Co), SPF24 (Altec Industries Inc Eastern Div), 4408861 (Agco Corp Parts Opn), 47-8X8 (Anchor Coupling Co Inc) and 5 more.

What NSN replaces 4730-00-595-4452?

There are 2 known substitutes for 4730-00-595-4452: 2910-00-302-6391, 5340-01-481-3203. Verify interchangeability with system specifications before substitution.

What are the specifications of 3404028?

Key specifications for 3404028: Style Designator: THREADED EXTERNAL RIGID, THREADED INTERNAL SWIVEL; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END; Thread Series Designator: NPTF SECOND END. 15 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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