PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-83756Blast Cleaning Machine

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4940-00-221-1020 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-221-1020 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-221-1020. Primary manufacturer part number: MIL-PRF-83756.
Features
  • Blast Cleaning Machine — FSC 4940
  • Abrasive Type Accommodated: DRY
  • Supplementary Features: WORK AREA FOR SIZE 3 IS 6 FT W X 6 FT DP X 5 FT HGH FT
  • Nondefinitive Spec/std Data: I TYPE AND 3 SIZE
  • Instantaneous Blast Stop/start Valve: INCLUDED
  • Automatic Start Mixer Box: INCLUDED
  • Abrasive Adjustment Feature: NOT INCLUDED
  • Remote Control: NOT INCLUDED
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Blast Cleaning Machine, cataloged under National Stock Number 4940-00-221-1020, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4940-00-221-1020
Primary Part NumberMIL-PRF-83756
Item NameBlast Cleaning Machine
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Abrasive Type AccommodatedDRY
Supplementary FeaturesWORK AREA FOR SIZE 3 IS 6 FT W X 6 FT DP X 5 FT HGH FT
Nondefinitive Spec/std DataI TYPE AND 3 SIZE
Instantaneous Blast Stop/start ValveINCLUDED
Automatic Start Mixer BoxINCLUDED
Abrasive Adjustment FeatureNOT INCLUDED
Remote ControlNOT INCLUDED
Installation DesignSTATIONARY
Abrasive Tank Compartment TypeANY ACCEPTABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4940-00-242-1447 INTERCHANGEABLE
Blast Cleaning Cabinet
4940-00-780-5498 INTERCHANGEABLE
Blast Cleaning Machine
4940-00-780-5499 INTERCHANGEABLE
Blast Cleaning Machine
4940-00-780-5500 INTERCHANGEABLE
Blast Cleaning Machine
4940-01-097-4480 INTERCHANGEABLE
Blast Cleaning Machine
4940-01-107-4902 INTERCHANGEABLE
Blast Cleaning Machine
4940-01-146-0853B7370-2 INTERCHANGEABLE
Blast Cleaning Cabinet
Macleod Inc
4940-01-480-4101 INTERCHANGEABLE
Blast Cleaning Cabinet
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-83756 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3680-5211-1776 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
MIL-PRF-83756TYPE1SIZE3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PFR-83756 TYPE I SIZE C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83756-1C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB83756B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4940-00-242-1447INTERCHANGEABLE
BLAST CLEANING CABINET
4940-00-780-5498INTERCHANGEABLE
BLAST CLEANING MACHINE
4940-00-780-5499INTERCHANGEABLE
BLAST CLEANING MACHINE
4940-00-780-5500INTERCHANGEABLE
BLAST CLEANING MACHINE
4940-01-097-4480INTERCHANGEABLE
BLAST CLEANING MACHINE
4940-01-107-4902INTERCHANGEABLE
BLAST CLEANING MACHINE
4940-01-146-0853INTERCHANGEABLE
BLAST CLEANING CABINET
B7370-2
4940-01-480-4101INTERCHANGEABLE
BLAST CLEANING CABINET

Frequently Asked Questions

What is NSN 4940-00-221-1020?

NSN 4940-00-221-1020 is a Blast Cleaning Machine, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-221-1020?

NSN 4940-00-221-1020 has 6 cross-referenced part numbers: MIL-PRF-83756 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3680-5211-1776 (Defense Supply Center Richmond Industrial Plant Equipment /dla/), MIL-PRF-83756TYPE1SIZE3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PFR-83756 TYPE I SIZE C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M83756-1C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 4940-00-221-1020?

There are 8 known substitutes for 4940-00-221-1020: 4940-00-242-1447, 4940-00-780-5498, 4940-00-780-5499 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-83756?

Key specifications for MIL-PRF-83756: Abrasive Type Accommodated: DRY; Supplementary Features: WORK AREA FOR SIZE 3 IS 6 FT W X 6 FT DP X 5 FT HGH FT; Nondefinitive Spec/std Data: I TYPE AND 3 SIZE; Instantaneous Blast Stop/start Valve: INCLUDED. 9 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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