PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1040AVacuum Pump Unit,rotary

Arthur H. Thomas Company · NSN 4310-00-140-5437 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-140-5437 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-140-5437. Primary manufacturer part number: 1040A.
Features
  • Vacuum Pump Unit,rotary — FSC 4310
  • Phase: SINGLE
  • Current Rating in Amps: 9.8
  • Pumping Element Type: SLIDING VANE
  • Frequency in Hertz: 60.0
  • Brake Horsepower Required: 0.500
  • Mounting Type: BASE
  • Prime Mover Type: ELECTRIC MOTOR
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-00-140-5437, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Arthur H. Thomas Company. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4310-00-140-5437
Primary Part Number1040A
Item NameVacuum Pump Unit,rotary
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerArthur H. Thomas Company
StatusCANCELLED
PhaseSINGLE
Current Rating in Amps9.8
Pumping Element TypeSLIDING VANE
Frequency in Hertz60.0
Brake Horsepower Required0.500
Mounting TypeBASE
Prime Mover TypeELECTRIC MOTOR
Operating Speed at Rated Capacity in RPM525.0
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SOURCE CONTROL DWG NUMBER SAC-289
Pump Quantity1
Discharge Connection Quantity1
Intake Connection Quantity1
Stage Quantity1
Gas for Which DesignedAIR
Intake Connection TypeUNTHREADED INTERNAL
Cooling MediumAIR
Intake Connection Inside Diameter0.813 INCHES NOMINAL IN
Current TypeAC
Air Displacement Rate5.0 CUBIC FEET PER MINUTE IN FREE AIR
Vacuum Rating0.1 MILLITORR
System DesignNONCORROSIVE
Drive Connection TypeSINGLE STRAND V-BELT
Voltage in Volts115.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4310-00-055-06611402B-01 INTERCHANGEABLE
Vacuum Pump Unit,rotary
Welch Vacuum Technology Inc
5955-00-219-37511040A INTERCHANGEABLE
Oscillating Group
Industrial Test Equipment Company, Inc. Dba Industrial Test Equipment Co
4820-00-287-2789 INTERCHANGEABLE
Valve,globe
4931-00-420-90407913200-1-2 INTERCHANGEABLE
Standard Mismatch
Us Army Aviation and Missile Command
4820-00-540-4108 INTERCHANGEABLE
Valve,safety Relief
4820-00-640-0604 INTERCHANGEABLE
Valve,globe
4820-00-811-4121 INTERCHANGEABLE
Valve,globe
6930-01-057-19241040A INTERCHANGEABLE
Servo Assembly
Industrial Control Co
4310-01-145-28661040A INTERCHANGEABLE
Compressor,centrifugal
Pressure Products Industries Inc
6625-01-146-1554 INTERCHANGEABLE
Test Set,electrical Meter
Cross-Reference Index
Part NumberManufacturer
1040A Arthur H. Thomas Company (USA)
SAC289 New Sd Inc Seaton-Wilson Div Sub of Bei Electronics Inc (USA)
1402B Sargent-Welch Scientific Co (USA)
Related Parts
4310-00-055-0661INTERCHANGEABLE
VACUUM PUMP UNIT,ROTARY
1402B-01
5955-00-219-3751INTERCHANGEABLE
OSCILLATING GROUP
1040A
4820-00-287-2789INTERCHANGEABLE
VALVE,GLOBE
4931-00-420-9040INTERCHANGEABLE
STANDARD MISMATCH
7913200-1-2
4820-00-540-4108INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-640-0604INTERCHANGEABLE
VALVE,GLOBE
4820-00-811-4121INTERCHANGEABLE
VALVE,GLOBE
6930-01-057-1924INTERCHANGEABLE
SERVO ASSEMBLY
1040A
4310-01-145-2866INTERCHANGEABLE
COMPRESSOR,CENTRIFUGAL
1040A
6625-01-146-1554INTERCHANGEABLE
TEST SET,ELECTRICAL METER

Frequently Asked Questions

What is NSN 4310-00-140-5437?

NSN 4310-00-140-5437 is a Vacuum Pump Unit,rotary, manufactured by Arthur H. Thomas Company, classified under FSC 4310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4310-00-140-5437?

NSN 4310-00-140-5437 has 3 cross-referenced part numbers: 1040A (Arthur H. Thomas Company), SAC289 (New Sd Inc Seaton-Wilson Div Sub of Bei Electronics Inc), 1402B (Sargent-Welch Scientific Co).

What NSN replaces 4310-00-140-5437?

There are 10 known substitutes for 4310-00-140-5437: 4310-00-055-0661, 5955-00-219-3751, 4820-00-287-2789 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1040A?

Key specifications for 1040A: Phase: SINGLE; Current Rating in Amps: 9.8; Pumping Element Type: SLIDING VANE; Frequency in Hertz: 60.0. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4310-00-140-5437 still in active supply?

NSN 4310-00-140-5437 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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