PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500ADegreaser

Graymills Corporation · NSN 4940-00-870-1231 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-870-1231 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-870-1231. Primary manufacturer part number: 500A.
Features
  • Degreaser — FSC 4940
  • Design Type: LIQUID
  • Spray Cleaning Provision: PROVIDED
  • Tank Capacity: 16.0 GALLONS
  • Inside Width: 21.000 INCHES NOMINAL IN
  • Electric Motor Horsepower Rating: 0.3
  • Inside Length: 44.000 INCHES NOMINAL IN
  • Electric Motor Operating Voltage in Volts: 110.0
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Degreaser, cataloged under National Stock Number 4940-00-870-1231, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Graymills Corporation. 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4940-00-870-1231
Primary Part Number500A
Item NameDegreaser
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerGraymills Corporation
StatusCANCELLED
Design TypeLIQUID
Spray Cleaning ProvisionPROVIDED
Tank Capacity16.0 GALLONS
Inside Width21.000 INCHES NOMINAL IN
Electric Motor Horsepower Rating0.3
Inside Length44.000 INCHES NOMINAL IN
Electric Motor Operating Voltage in Volts110.0
Solvent ReconditionerNOT INCLUDED
Electric MotorINCLUDED
Electric Motor Operating Frequency in Hertz60.0
Inside Depth23.750 INCHES NOMINAL IN
Electric Motor Current TypeAC
Auxiliary Solvent SupplyNOT INCLUDED
Electric Motor PhaseSINGLE
PortabilityNONPORTABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
6695-00-005-1278 INTERCHANGEABLE
Transducer,motional Pickup
6625-00-502-7348500A INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
5985-00-729-4074MDC2017BB-40 INTERCHANGEABLE
Attenuator,variable
Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc
6625-00-765-0469100A INTERCHANGEABLE
Detector,radio Frequency
Industrial Test Equipment Company, Inc. Dba Industrial Test Equipment Co
4940-01-028-7493EP-5UL INTERCHANGEABLE
Heat Gun,electric
Electrical Assembly Inc. Div Eddy Products
5895-01-031-3879 INTERCHANGEABLE
Generator,pulse
4510-01-192-9802 INTERCHANGEABLE
Faucet,double
6625-01-214-4515500A INTERCHANGEABLE
Analyzer,spectrum
Trig-Tek, Incorporated
4520-01-426-3292500-A INTERCHANGEABLE
Control Box
Microtherm Llc
6630-01-441-2935COBRAII INTERCHANGEABLE
Tester,lubricant Friction
Naeco Associates Llc
Cross-Reference Index
Part NumberManufacturer
500A PRIMARY Graymills Corporation (USA)
PMODEL500 PRIMARY Graymills Corporation (USA)
Related Parts
6695-00-005-1278INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
6625-00-502-7348INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
500A
5985-00-729-4074INTERCHANGEABLE
ATTENUATOR,VARIABLE
MDC2017BB-40
6625-00-765-0469INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
100A
4940-01-028-7493INTERCHANGEABLE
HEAT GUN,ELECTRIC
EP-5UL
5895-01-031-3879INTERCHANGEABLE
GENERATOR,PULSE
4510-01-192-9802INTERCHANGEABLE
FAUCET,DOUBLE
6625-01-214-4515INTERCHANGEABLE
ANALYZER,SPECTRUM
500A
4520-01-426-3292INTERCHANGEABLE
CONTROL BOX
500-A
6630-01-441-2935INTERCHANGEABLE
TESTER,LUBRICANT FRICTION
COBRAII

Frequently Asked Questions

What is NSN 4940-00-870-1231?

NSN 4940-00-870-1231 is a Degreaser, manufactured by Graymills Corporation, classified under FSC 4940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4940-00-870-1231?

NSN 4940-00-870-1231 has 2 cross-referenced part numbers: 500A (Graymills Corporation), PMODEL500 (Graymills Corporation).

What NSN replaces 4940-00-870-1231?

There are 10 known substitutes for 4940-00-870-1231: 6695-00-005-1278, 6625-00-502-7348, 5985-00-729-4074 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 500A?

Key specifications for 500A: Design Type: LIQUID; Spray Cleaning Provision: PROVIDED; Tank Capacity: 16.0 GALLONS; Inside Width: 21.000 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4940-00-870-1231 still in active supply?

NSN 4940-00-870-1231 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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