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Reciprocating Compressor

NSN: 4310-00-414-5989 | Model: 2Z203
ITAR Registered seal

A positive displacement compressor designed to compress air or gas from an initial intake pressure to a higher discharge pressure by means of reciprocating pis to (s) in cylinder(s) . It is designed to be driven by an independent power source, such as an electric motor, gasoline or diesel engine, or the like. It does not include the prime mover, air storage tank, and the like. It may include various peripheral components, such as drive pulley, unloader, and the like.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Gas For Which Designed
Discharge Flow Rate
4.100 cubic feet per minute
Discharge Pressure
100.0 pounds per square inch gage
Cooling System Design
Compressor Cooling Medium
Brake Horsepower Required
Reciprocating Compressor Design
Single acting
Cylinder Quantity
Cylinder Arrangement Style
Vertical design
Stage Quantity
Compressor Speed At Rated Capacity In Rpm
Discharge Connection Quantity
Discharge Connection Type
Threaded female
Unpackaged Unit Length
9.250 inches
Unpackaged Unit Width
7.250 inches
Unpackaged Unit Height
10.750 inches
Tempurature Rating Per Function
Not rated
Special Features
0.375-18 npt discharge; furnished w/ cast iron flywheel
Unpackaged Unit Weight
27.00 pounds

Pricing and Availability

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NSN 4310-00-414-5989 Datasheet

Supply Class (FSC):
Compressors And Vacuum Pumps
Cross Reference:
  • 2Z203
  • 2Z203-3/4HP
Cage Codes:
  • W.w. Grainger, Inc. (CAGE 25795)
Schedule B & Trade:
  • Schedule B: 8414809000 (NAICS 333912)

    Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether fitted with filters, Nisei

  • SITC: 74319

    Air or vacuum pumps, n.E.S.

  • End Use: 21100

    Industrial engines


N - Indicates there is no data in the humors and the nsn is in a fsc not generally suspected of containing hazardous materials.


U - Precious metal content is unknown


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    118100 - Compressors, air, noi, or air ends

  • WCC:

    634 - Cylinders, compressed gas, filled or empty

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,010.39 to $1,683.99..
Does NSN 4310-00-414-5989 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army
What is the NIIN of NSN 4310-00-414-5989?
004145989 or 00-414-5989
Does NSN 4310-00-414-5989 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4310-00-414-5989?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Nov 09, 1970