PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40784Vacuum Pump,reciprocating

Department of the Air Force · NSN 4310-00-367-5140 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-367-5140 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-367-5140. Primary manufacturer part number: 40784.
Features
  • Vacuum Pump,reciprocating — FSC 4310
  • System Design: NONCORROSIVE
  • Pumping Element Type: PLUNGER
  • Pump Cylinder Quantity: 1
  • Discharge Connection Quantity: 1
  • Intake Connection Quantity: 1
  • 1 verified cross-reference
  • Primary manufacturer: Department of the Air Force
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Vacuum Pump,reciprocating, cataloged under National Stock Number 4310-00-367-5140, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 5 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-367-5140
Primary Part Number40784
Item NameVacuum Pump,reciprocating
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
System DesignNONCORROSIVE
Pumping Element TypePLUNGER
Pump Cylinder Quantity1
Discharge Connection Quantity1
Intake Connection Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6675-00-373-389940-784 INTERCHANGEABLE
Worm Assembly
Warren Industries Inc Dba Warren Industries Inc Div Warren-Knight Instrument Co. and N. Amer. Survey Supply Co.
3120-00-398-8159 INTERCHANGEABLE
Bearing,sleeve
5950-00-404-21501097D INTERCHANGEABLE
Transformer,audio Frequency
A M I/ Coast Magnetics Inc. Dba Coast Magnetics
6550-00-890-1965 INTERCHANGEABLE
Antigen,proteus Ox K
5365-01-445-919951806 INTERCHANGEABLE
Spacer,ring
Tech Products Corp
Cross-Reference Index
Part NumberManufacturer
40784 Department of the Air Force (USA)
Related Parts
6675-00-373-3899INTERCHANGEABLE
WORM ASSEMBLY
40-784
3120-00-398-8159INTERCHANGEABLE
BEARING,SLEEVE
5950-00-404-2150INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1097D
6550-00-890-1965INTERCHANGEABLE
ANTIGEN,PROTEUS OX K
5365-01-445-9199INTERCHANGEABLE
SPACER,RING
51806

Frequently Asked Questions

What is NSN 4310-00-367-5140?

NSN 4310-00-367-5140 is a Vacuum Pump,reciprocating, manufactured by Department of the Air Force, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-367-5140?

NSN 4310-00-367-5140 has 1 cross-referenced part number: 40784 (Department of the Air Force).

What NSN replaces 4310-00-367-5140?

There are 5 known substitutes for 4310-00-367-5140: 6675-00-373-3899, 3120-00-398-8159, 5950-00-404-2150 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40784?

Key specifications for 40784: System Design: NONCORROSIVE; Pumping Element Type: PLUNGER; Pump Cylinder Quantity: 1; Discharge Connection Quantity: 1. 6 total characteristics are documented in the Federal Logistics Information System.

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