PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3/8X1/4FG-BReducer,pipe

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-01-631-4197 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-631-4197 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-631-4197. Primary manufacturer part number: 3/8X1/4FG-B.
Features
  • Reducer,pipe — FSC 4730
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 1 verified cross-reference
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-631-4197, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 2 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-631-4197
Primary Part Number3/8X1/4FG-B
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-216-55383-8X1-4FGB INTERCHANGEABLE
Reducer,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
Cross-Reference Index
Part NumberManufacturer
3/8X1/4FG-B Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
Related Parts
4730-00-216-5538INTERCHANGEABLE
REDUCER,PIPE
3-8X1-4FGB

Frequently Asked Questions

What is NSN 4730-01-631-4197?

NSN 4730-01-631-4197 is a Reducer,pipe, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-631-4197?

NSN 4730-01-631-4197 has 1 cross-referenced part number: 3/8X1/4FG-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).

What NSN replaces 4730-01-631-4197?

There is 1 known substitute for 4730-01-631-4197: 4730-00-216-5538. Verify interchangeability with system specifications before substitution.

What are the specifications of 3/8X1/4FG-B?

Key specifications for 3/8X1/4FG-B: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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