PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28-302Reducer,tube

Vianney Industries, Llc Dba Midland Metal Manufacturing Company · NSN 4730-01-665-3175 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-665-3175 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-665-3175. Primary manufacturer part number: 28-302.
Features
  • Reducer,tube — FSC 4730
  • Thread Series Designator: NPTF FIRST END
  • Thread Quantity Per Inch: 16 SECOND END
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Thread Quantity Per Inch: 18 FIRST END
  • Thread Series Designator: UNS SECOND END
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Nominal Thread Size: 0.750 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-665-3175, 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 Vianney Industries, Llc Dba Midland Metal Manufacturing Company. Government technical data includes 7 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-665-3175
Primary Part Number28-302
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerVianney Industries, Llc Dba Midland Metal Manufacturing Company
StatusACTIVE
Thread Series DesignatorNPTF FIRST END
Thread Quantity Per Inch16 SECOND END
Nominal Thread Size0.250 INCHES FIRST END IN
Thread Quantity Per Inch18 FIRST END
Thread Series DesignatorUNS SECOND END
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Nominal Thread Size0.750 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-530-960750FK1018 INTERCHANGEABLE
Nut,self-Locking,hexagon
Sps Technologies, Llc Dba PB Fasteners
1650-00-837-47679672318-10 INTERCHANGEABLE
Parts Kit,hydraulic Drive Unit
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
3120-00-918-936416L16FK INTERCHANGEABLE
Bearing,sleeve
Thomson Industries Inc
5845-01-252-152728302 INTERCHANGEABLE
Kit,seal,receiver
Exelis Inc.
6515-01-345-03162830-2 INTERCHANGEABLE
Catheter and Needle Unit,intrave
Becton Dickinson and Co Acutecare Div
Cross-Reference Index
Part NumberManufacturer
28-302 Vianney Industries, Llc Dba Midland Metal Manufacturing Company (USA)
Related Parts
5310-00-530-9607INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
50FK1018
1650-00-837-4767INTERCHANGEABLE
PARTS KIT,HYDRAULIC DRIVE UNIT
9672318-10
3120-00-918-9364INTERCHANGEABLE
BEARING,SLEEVE
16L16FK
5845-01-252-1527INTERCHANGEABLE
KIT,SEAL,RECEIVER
28302
6515-01-345-0316INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
2830-2

Frequently Asked Questions

What is NSN 4730-01-665-3175?

NSN 4730-01-665-3175 is a Reducer,tube, manufactured by Vianney Industries, Llc Dba Midland Metal Manufacturing Company, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-665-3175?

NSN 4730-01-665-3175 has 1 cross-referenced part number: 28-302 (Vianney Industries, Llc Dba Midland Metal Manufacturing Company).

What NSN replaces 4730-01-665-3175?

There are 5 known substitutes for 4730-01-665-3175: 5310-00-530-9607, 1650-00-837-4767, 3120-00-918-9364 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28-302?

Key specifications for 28-302: End Item Identification: 7360-016587330; Special Features: OVERALL NOMINAL LENGTH: 1.5 INCH IN; Thread Series Designator: NPTF FIRST END; Thread Quantity Per Inch: 16 SECOND END. 10 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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