PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120-523Compressor,reciprocating

Illinois Tool Works Inc. · NSN 4310-00-061-8840 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-061-8840 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-061-8840. Primary manufacturer part number: 120-523.
Features
  • Compressor,reciprocating — FSC 4310
  • Cooling Medium: AIR COMPRESSOR
  • Discharge Flow Rate: 0.850 CUBIC FEET PER MINUTE
  • Drive Connection Type: SINGLE STRAND V-BELT
  • Cylinder Quantity: 1
  • Cylinder Arrangement Style: VERTICAL DESIGN
  • Intake Connection Quantity: 1
  • Intake Connection Type: THREADED FEMALE
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Compressor,reciprocating, cataloged under National Stock Number 4310-00-061-8840, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Illinois Tool Works Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN4310-00-061-8840
Primary Part Number120-523
Item NameCompressor,reciprocating
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerIllinois Tool Works Inc.
StatusCANCELLED
Cooling MediumAIR COMPRESSOR
Discharge Flow Rate0.850 CUBIC FEET PER MINUTE
Drive Connection TypeSINGLE STRAND V-BELT
Cylinder Quantity1
Cylinder Arrangement StyleVERTICAL DESIGN
Intake Connection Quantity1
Intake Connection TypeTHREADED FEMALE
Discharge Pressure150.000 POUNDS PER SQUARE INCH GAGE LBS
Cooling System DesignSINGLE
Discharge Connection Quantity1
Stage Quantity1
Compressor Speed at Rated Capacity in RPM630.0
Reciprocating Compressor DesignSINGLE ACTING
Discharge Connection TypeTHREADED FEMALE
Cooling MediumAIR COMPRESSED GASS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5340-00-286-2494MS21333-36 INTERCHANGEABLE
Clamp,loop
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4140-00-554-4050 INTERCHANGEABLE
Fan,ventilating
5310-01-445-5476120523 INTERCHANGEABLE
Nut,self-Locking,hexagon
Jered Llc
3433-01-563-4793120515 INTERCHANGEABLE
Tip,cutting Torch
Hypertherm, Inc. Div Hypertherm
6685-01-564-7609120515 INTERCHANGEABLE
Thermocouple,contact
Jofra Enterprises Inc
1560-01-717-0957120523 INTERCHANGEABLE
Block,radius
Naval Surface Warfare Center Dahlgren Div
Cross-Reference Index
Part NumberManufacturer
120-515 Illinois Tool Works Inc. (USA)
120-523 PRIMARY Illinois Tool Works Inc. (USA)
Related Parts
5340-00-286-2494INTERCHANGEABLE
CLAMP,LOOP
MS21333-36
4140-00-554-4050INTERCHANGEABLE
FAN,VENTILATING
5310-01-445-5476INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
120523
3433-01-563-4793INTERCHANGEABLE
TIP,CUTTING TORCH
120515
6685-01-564-7609INTERCHANGEABLE
THERMOCOUPLE,CONTACT
120515
1560-01-717-0957INTERCHANGEABLE
BLOCK,RADIUS
120523

Frequently Asked Questions

What is NSN 4310-00-061-8840?

NSN 4310-00-061-8840 is a Compressor,reciprocating, manufactured by Illinois Tool Works Inc., classified under FSC 4310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4310-00-061-8840?

NSN 4310-00-061-8840 has 2 cross-referenced part numbers: 120-515 (Illinois Tool Works Inc.), 120-523 (Illinois Tool Works Inc.).

What NSN replaces 4310-00-061-8840?

There are 6 known substitutes for 4310-00-061-8840: 5340-00-286-2494, 4140-00-554-4050, 5310-01-445-5476 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120-523?

Key specifications for 120-523: Cooling Medium: AIR COMPRESSOR; Special Features: GRUMMAN AEROSPACE A-10 AIRCRAFT; Discharge Flow Rate: 0.850 CUBIC FEET PER MINUTE; Drive Connection Type: SINGLE STRAND V-BELT. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4310-00-061-8840 still in active supply?

NSN 4310-00-061-8840 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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