PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45043Plug,crankcase

Leroi International Inc Dba Compair Leroi · NSN 4730-01-140-0448 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-140-0448 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-140-0448. Primary manufacturer part number: 45043.
Features
  • Plug,crankcase — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Leroi International Inc Dba Compair Leroi
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Plug,crankcase, cataloged under National Stock Number 4730-01-140-0448, 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 Leroi International Inc Dba Compair Leroi. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePlug,crankcase
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersCompair Kellogg Div of Robertshaw Controls Co (CAGE 53239); Leroi International Inc Dba Compair Leroi (CAGE 1XBP3)
Technical Specifications
ParameterValue
NSN4730-01-140-0448
Primary Part Number45043
Item NamePlug,crankcase
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLeroi International Inc Dba Compair Leroi
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2825-00-038-078645041 INTERCHANGEABLE
Deflector,dirt and Liquid
Northrop Grumman Systems Corporation Div Marine Systems
3020-00-053-31471412588-40 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5315-00-054-4117450-43 INTERCHANGEABLE
Pin,straight,headless
Lockheed Martin Corporation Div Rms
3020-00-074-93071412588-30 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1680-00-570-767945043 INTERCHANGEABLE
Spring,filler
B E Aerospace Inc Services Div
5985-00-977-9349128SCAV275-1 INTERCHANGEABLE
Waveguide Assembly
Northrop Grumman Systems Corporation
5330-01-067-36334504-3 INTERCHANGEABLE
Packing,preformed
Hydrasearch Company, Llc
4710-01-188-5890 INTERCHANGEABLE
Tubing,nonmetallic
5305-01-322-871045043 INTERCHANGEABLE
Screw,cap,socket Head
Safety Socket Llc
5340-01-344-1030 INTERCHANGEABLE
Bracket,double Angle
Cross-Reference Index
Part NumberManufacturer
45043 Compair Kellogg Div of Robertshaw Controls Co (USA)
45043 PRIMARY Leroi International Inc Dba Compair Leroi (USA)
Related Parts
2825-00-038-0786INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
45041
3020-00-053-3147INTERCHANGEABLE
GEAR,SPUR
1412588-40
5315-00-054-4117INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
450-43
3020-00-074-9307INTERCHANGEABLE
GEAR,SPUR
1412588-30
1680-00-570-7679INTERCHANGEABLE
SPRING,FILLER
45043
5985-00-977-9349INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
128SCAV275-1
5330-01-067-3633INTERCHANGEABLE
PACKING,PREFORMED
4504-3
4710-01-188-5890INTERCHANGEABLE
TUBING,NONMETALLIC
5305-01-322-8710INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
45043
5340-01-344-1030INTERCHANGEABLE
BRACKET,DOUBLE ANGLE
3455-01-364-8159INTERCHANGEABLE
CUTTER,MILLING,PLAIN
302-4
1005-01-661-5915INTERCHANGEABLE
SPRING ASSEMBLY,EXTRACTOR,SMALL
45043

Frequently Asked Questions

What is NSN 4730-01-140-0448?

NSN 4730-01-140-0448 is a Plug,crankcase, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-140-0448?

NSN 4730-01-140-0448 has 2 cross-referenced part numbers: 45043 (Compair Kellogg Div of Robertshaw Controls Co), 45043 (Leroi International Inc Dba Compair Leroi).

What NSN replaces 4730-01-140-0448?

There are 12 known substitutes for 4730-01-140-0448: 2825-00-038-0786, 3020-00-053-3147, 5315-00-054-4117 and 9 more. Verify interchangeability with system specifications before substitution.

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