PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90065Vacuum Pump,diffusion

Mastercool Inc · NSN 4310-01-691-9587 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-691-9587 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-691-9587. Primary manufacturer part number: 90065.
Features
  • Vacuum Pump,diffusion — FSC 4310
  • Control Device Type: MOTOR STARTER
  • Air Displacement Rate: 8495.05 LITERS PER HOUR AT STATED PRESSURE
  • Cooling Medium: AIR
  • Gas for Which Designed: AIR
  • Vacuum Rating: 0.667 PASCAL
  • Stage Quantity: 2
  • 1 verified cross-reference
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Vacuum Pump,diffusion, cataloged under National Stock Number 4310-01-691-9587, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Mastercool Inc. Government technical data includes 6 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-691-9587
Primary Part Number90065
Item NameVacuum Pump,diffusion
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerMastercool Inc
StatusACTIVE
Control Device TypeMOTOR STARTER
Air Displacement Rate8495.05 LITERS PER HOUR AT STATED PRESSURE
Cooling MediumAIR
Gas for Which DesignedAIR
Vacuum Rating0.667 PASCAL
Stage Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5905-01-114-967190065-014 INTERCHANGEABLE
Resistor,voltage Sensitive
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
1730-01-148-4160302080 INTERCHANGEABLE
Parts Kit,waste Dump Valve
Stinar, Llc
5930-01-162-73123T2357 INTERCHANGEABLE
Switch,push
Caterpillar Inc Div Caterpillar Defense
5905-01-418-614990065-015 INTERCHANGEABLE
Resistor,voltage Sensitive
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5905-01-430-911090065-013 INTERCHANGEABLE
Resistor,voltage Sensitive
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5905-01-530-939990065-003 INTERCHANGEABLE
Resistor,voltage Sensitive
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
Cross-Reference Index
Part NumberManufacturer
90065 PRIMARY Mastercool Inc (USA)
Related Parts
5905-01-114-9671INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
90065-014
1730-01-148-4160INTERCHANGEABLE
PARTS KIT,WASTE DUMP VALVE
302080
5930-01-162-7312INTERCHANGEABLE
SWITCH,PUSH
3T2357
5905-01-418-6149INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
90065-015
5905-01-430-9110INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
90065-013
5905-01-530-9399INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
90065-003

Frequently Asked Questions

What is NSN 4310-01-691-9587?

NSN 4310-01-691-9587 is a Vacuum Pump,diffusion, manufactured by Mastercool Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-691-9587?

NSN 4310-01-691-9587 has 1 cross-referenced part number: 90065 (Mastercool Inc).

What NSN replaces 4310-01-691-9587?

There are 6 known substitutes for 4310-01-691-9587: 5905-01-114-9671, 1730-01-148-4160, 5930-01-162-7312 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 90065?

Key specifications for 90065: Part Name Assigned by Controlling Agency: VACCUM PUMP; Control Device Type: MOTOR STARTER; Air Displacement Rate: 8495.05 LITERS PER HOUR AT STATED PRESSURE; Cooling Medium: AIR. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com