PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P42Plug,pipe

Meritor Heavy Vehicle Systems, Llc · NSN 4730-01-521-8312 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-521-8312 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-521-8312. Primary manufacturer part number: P42.
Features
  • Plug,pipe — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Meritor Heavy Vehicle Systems, Llc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Plug,pipe, cataloged under National Stock Number 4730-01-521-8312, 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 Meritor Heavy Vehicle Systems, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlug,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersMeritor Heavy Vehicle Systems, Llc (CAGE 78500)
Technical Specifications
ParameterValue
NSN4730-01-521-8312
Primary Part NumberP42
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-122-0623P4-2 INTERCHANGEABLE
Piston,pump
Star Hydraulics Llc
5340-00-200-8637P42 INTERCHANGEABLE
Plug,protective,dust and Moistur
Meritor Industrial Products, Llc
5306-00-208-3075P42 INTERCHANGEABLE
Bolt,internal Wrenching
Eaton Aerospace, Llc Dba Jackson South
6625-00-865-6643 INTERCHANGEABLE
Lead,test
5935-01-021-1042NG0-092120-0004 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Nec America Inc
2910-01-524-2734P-42 INTERCHANGEABLE
Pump,hand,fuel Pump
Simplex Manufacturing Co. Dba Dart Aerospace
6525-01-583-0756P4-2 INTERCHANGEABLE
Probe,ultrasonic Unit,diagnostic
Siemens Medical Solutions Usa, Inc. Dba Siemens Medical Solutions Usa Inc Div Siemens Healthineers
4320-01-695-4759P42 INTERCHANGEABLE
Pump,hydraulic Ram,hand Driven
Enerpac Tool Group Corp
Cross-Reference Index
Part NumberManufacturer
P42 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
Related Parts
4320-00-122-0623INTERCHANGEABLE
PISTON,PUMP
P4-2
5340-00-200-8637INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
P42
5306-00-208-3075INTERCHANGEABLE
BOLT,INTERNAL WRENCHING
P42
6625-00-865-6643INTERCHANGEABLE
LEAD,TEST
5935-01-021-1042INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
NG0-092120-0004
2910-01-524-2734INTERCHANGEABLE
PUMP,HAND,FUEL PUMP
P-42
6525-01-583-0756INTERCHANGEABLE
PROBE,ULTRASONIC UNIT,DIAGNOSTIC
P4-2
4320-01-695-4759INTERCHANGEABLE
PUMP,HYDRAULIC RAM,HAND DRIVEN
P42

Frequently Asked Questions

What is NSN 4730-01-521-8312?

NSN 4730-01-521-8312 is a Plug,pipe, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-521-8312?

NSN 4730-01-521-8312 has 1 cross-referenced part number: P42 (Meritor Heavy Vehicle Systems, Llc).

What NSN replaces 4730-01-521-8312?

There are 8 known substitutes for 4730-01-521-8312: 4320-00-122-0623, 5340-00-200-8637, 5306-00-208-3075 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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