PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P4MC4Adapter,straight,pipe to Tube

Parker-Hannifin Corp Div Parflex Division · NSN 4730-01-391-3878 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-391-3878 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-391-3878. Primary manufacturer part number: P4MC4.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Connection Style: PLAIN (TUBE) FIRST END
  • Material: PLASTIC POLYPROPYLENE OVERALL
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
  • Connection Style: PLAIN (PIPE) SECOND END
  • Thread Series Designator: NPTF SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polypropylene Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-391-3878, 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 Corp Div Parflex Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN4730-01-391-3878
Primary Part NumberP4MC4
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corp Div Parflex Division
StatusACTIVE
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StylePLAIN (TUBE) FIRST END
MaterialPLASTIC POLYPROPYLENE OVERALL
Nominal Thread Size0.250 INCHES SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
Thread Series DesignatorNPTF SECOND END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Nominal Overall Length1.516 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-275-13470188-7 INTERCHANGEABLE
Washer,flat
Lockheed Martin Corporation Div Rms - Mitchel Field
5815-00-916-86906002-534 INTERCHANGEABLE
Hammer,stop
Raytheon Company Div Rmd Strategic
5935-00-930-2667 INTERCHANGEABLE
Connector,receptacle,electrical
5310-01-025-3484 INTERCHANGEABLE
Washer,flat
5342-01-706-135501887 INTERCHANGEABLE
Clamp,loop
End of the Road, Inc.
Cross-Reference Index
Part NumberManufacturer
P4MC4 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
P4MC4 PRIMARY Parker-Hannifin Corp Div Parflex Division (USA)
0188-7 Eltech Research Corp (USA)
P4MC4 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
Related Parts
5310-00-275-1347INTERCHANGEABLE
WASHER,FLAT
0188-7
5815-00-916-8690INTERCHANGEABLE
HAMMER,STOP
6002-534
5935-00-930-2667INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5310-01-025-3484INTERCHANGEABLE
WASHER,FLAT
5342-01-706-1355INTERCHANGEABLE
CLAMP,LOOP
01887

Frequently Asked Questions

What is NSN 4730-01-391-3878?

NSN 4730-01-391-3878 is a Adapter,straight,pipe to Tube, manufactured by Parker-Hannifin Corp Div Parflex Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-391-3878?

NSN 4730-01-391-3878 has 4 cross-referenced part numbers: P4MC4 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), P4MC4 (Parker-Hannifin Corp Div Parflex Division), 0188-7 (Eltech Research Corp), P4MC4 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division).

What NSN replaces 4730-01-391-3878?

There are 5 known substitutes for 4730-01-391-3878: 5310-00-275-1347, 5815-00-916-8690, 5935-00-930-2667 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P4MC4?

Key specifications for P4MC4: End Item Identification: HYD. MOTOR PUMP; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Special Features: BLACK COLOR; Connection Type: THREADED EXTERNAL PIPE SECOND END. 11 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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