PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

93543Vacuum Pump,diffusion

Ritchie Engineering Co Inc · NSN 4310-01-655-0362 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-655-0362 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-655-0362. Primary manufacturer part number: 93543.
Features
  • Vacuum Pump,diffusion — FSC 4310
  • 2 verified cross-references
  • Primary manufacturer: Ritchie Engineering Co Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Vacuum Pump,diffusion, cataloged under National Stock Number 4310-01-655-0362, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Ritchie Engineering Co Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameVacuum Pump,diffusion
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersDehon Service (CAGE F6085); Ritchie Engineering Co Inc (CAGE 11284)
Technical Specifications
ParameterValue
NSN4310-01-655-0362
Primary Part Number93543
Item NameVacuum Pump,diffusion
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerRitchie Engineering Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-198-1191Z48RETR INTERCHANGEABLE
Retainer,ball,bearing
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
5935-00-481-5563 INTERCHANGEABLE
Connector,receptacle,electrical
2920-00-695-5926 INTERCHANGEABLE
Drive,engine,electrical Starter
2925-00-705-517893543 INTERCHANGEABLE
Parts Kit,ignition
Vse Aviation, Inc.
5305-01-017-383293543 INTERCHANGEABLE
Screw
Briggs and Stratton Corp
3110-01-098-12446643 INTERCHANGEABLE
Plate,retaining,bearing
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5995-01-186-6029 INTERCHANGEABLE
Spark Plug Wire Set
5962-01-216-07242550737 INTERCHANGEABLE
Microcircuit,digital
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5136-01-431-19106643 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
Cross-Reference Index
Part NumberManufacturer
6643 Dehon Service (FRA)
93543 PRIMARY Ritchie Engineering Co Inc (USA)
Related Parts
3110-00-198-1191INTERCHANGEABLE
RETAINER,BALL,BEARING
Z48RETR
5935-00-481-5563INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2920-00-695-5926INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
2925-00-705-5178INTERCHANGEABLE
PARTS KIT,IGNITION
93543
5305-01-017-3832INTERCHANGEABLE
SCREW
93543
3110-01-098-1244INTERCHANGEABLE
PLATE,RETAINING,BEARING
6643
5995-01-186-6029INTERCHANGEABLE
SPARK PLUG WIRE SET
5962-01-216-0724INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2550737
5136-01-431-1910INTERCHANGEABLE
DIE,THREAD CUTTING
6643

Frequently Asked Questions

What is NSN 4310-01-655-0362?

NSN 4310-01-655-0362 is a Vacuum Pump,diffusion, manufactured by Ritchie Engineering Co Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-655-0362?

NSN 4310-01-655-0362 has 2 cross-referenced part numbers: 6643 (Dehon Service), 93543 (Ritchie Engineering Co Inc).

What NSN replaces 4310-01-655-0362?

There are 9 known substitutes for 4310-01-655-0362: 3110-00-198-1191, 5935-00-481-5563, 2920-00-695-5926 and 6 more. Verify interchangeability with system specifications before substitution.

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