PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-555Compressor Unit,reciprocating

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4310-00-376-8768 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-376-8768 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-376-8768. Primary manufacturer part number: MIL-C-555.
Features
  • Compressor Unit,reciprocating — FSC 4310
  • Stage Quantity: 2
  • Receiver Tank Capacity: 10.50 CUBIC FEET
  • Reciprocating Compressor Design: SINGLE ACTING
  • Brake Power Required: 98.0 HORSEPOWER
  • Discharge Flow Rate: 315.000 CUBIC FEET PER MINUTE
  • Prime Mover Cooling Medium: AIR
  • Compressor Cooling Medium: AIR
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Compressor Unit,reciprocating, cataloged under National Stock Number 4310-00-376-8768, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-376-8768
Primary Part NumberMIL-C-555
Item NameCompressor Unit,reciprocating
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Stage Quantity2
Receiver Tank Capacity10.50 CUBIC FEET
Reciprocating Compressor DesignSINGLE ACTING
Brake Power Required98.0 HORSEPOWER
Discharge Flow Rate315.000 CUBIC FEET PER MINUTE
Prime Mover Cooling MediumAIR
Compressor Cooling MediumAIR
Cylinder Quantity6
Cylinder Arrangement Style"V" DESIGN
Mounting TypeWHEEL
Prime Mover TypeGASOLINE ENGINE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MOUNTING DATA
Discharge Pressure100.000 POUNDS PER SQUARE INCH GAGE LBS
Unloader TypeAUTOMATIC AND MANUAL
Silencer TypeINLET
Cooling System DesignSINGLE
Nondefinitive Spec/std Data1 TYPE AND B CLASS
Gas for Which DesignedAIR
Compressor Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4310-00-075-7064 INTERCHANGEABLE
Compressor Unit,rotary
4310-00-078-2462 INTERCHANGEABLE
Compressor Unit,rotary
4310-00-136-4369 INTERCHANGEABLE
Compressor Unit,rotary
4310-00-203-0569 INTERCHANGEABLE
Compressor Unit,rotary
4310-00-248-3496 INTERCHANGEABLE
Compressor Unit,rotary
4310-00-256-9319 INTERCHANGEABLE
Compressor Unit,rotary
4310-00-471-3075RMS250 INTERCHANGEABLE
Compressor Unit,rotary
Ingersoll Rand Co
4310-00-595-3867 INTERCHANGEABLE
Compressor Unit,rotary
4310-00-595-3868 INTERCHANGEABLE
Compressor Unit,rotary
4310-00-952-7142RPV250DC20MS1 INTERCHANGEABLE
Compressor Unit,rotary
Joy Global Underground Mining Llc
Cross-Reference Index
Part NumberManufacturer
MIL-C-555 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
315WDS Drs Environmental Systems Inc (USA)
315WDS Davey Compressor Co Div of Keco Industries Inc (USA)
MIL-STD-431 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4310-00-075-7064INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
4310-00-078-2462INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
4310-00-136-4369INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
4310-00-203-0569INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
4310-00-248-3496INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
4310-00-256-9319INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
4310-00-471-3075INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
RMS250
4310-00-595-3867INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
4310-00-595-3868INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
4310-00-952-7142INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY
RPV250DC20MS1

Frequently Asked Questions

What is NSN 4310-00-376-8768?

NSN 4310-00-376-8768 is a Compressor Unit,reciprocating, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-376-8768?

NSN 4310-00-376-8768 has 4 cross-referenced part numbers: MIL-C-555 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 315WDS (Drs Environmental Systems Inc), 315WDS (Davey Compressor Co Div of Keco Industries Inc), MIL-STD-431 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4310-00-376-8768?

There are 10 known substitutes for 4310-00-376-8768: 4310-00-075-7064, 4310-00-078-2462, 4310-00-136-4369 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-C-555?

Key specifications for MIL-C-555: Stage Quantity: 2; Receiver Tank Capacity: 10.50 CUBIC FEET; Reciprocating Compressor Design: SINGLE ACTING; Brake Power Required: 98.0 HORSEPOWER. 19 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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