PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

88-21181-22Terminal Junction Block,sectiona

Department of Defense Project Manager-Mobile Electric Power · NSN 5940-01-531-6040 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-01-531-6040 — this item is cataloged by the U.S. Government under National Stock Number 5940-01-531-6040. Primary manufacturer part number: 88-21181-22.
Features
  • Terminal Junction Block,sectiona — FSC 5940
  • Current Rating in Amps: 20.0
  • Terminal Type and Quantity: 22 SCREW
  • Block Type: THERMAL
  • Current Type: DC
  • Pole Quantity: 22
  • Voltage Rating: 300.0 VOLTS MAXIMUM
  • Operating Temp Range: -65.0 TO 185.0 FAHRENHEIT DEGF
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Terminal Junction Block,sectiona, cataloged under National Stock Number 5940-01-531-6040, is classified within Federal Supply Class 5940 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-01-531-6040
Primary Part Number88-21181-22
Item NameTerminal Junction Block,sectiona
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerDepartment of Defense Project Manager-Mobile Electric Power
StatusACTIVE
Current Rating in Amps20.0
Terminal Type and Quantity22 SCREW
Block TypeTHERMAL
Current TypeDC
Pole Quantity22
Voltage Rating300.0 VOLTS MAXIMUM
Operating Temp Range-65.0 TO 185.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-01-087-5880330022 INTERCHANGEABLE
Cover,electrical Connector
Te Connectivity Corporation
5998-01-241-0178 INTERCHANGEABLE
Circuit Card Assembly
5940-01-431-53673300-24 INTERCHANGEABLE
Terminal Board
Marco Manufacturing Co Inc
5940-01-470-24703300-2 INTERCHANGEABLE
Terminal Board
Marco Manufacturing Co Inc
5940-01-470-28753300-4 INTERCHANGEABLE
Terminal Board
Marco Manufacturing Co Inc
5940-01-477-12543300-3 INTERCHANGEABLE
Terminal Board
Marco Manufacturing Co Inc
5935-01-646-7139ICS8321-1 INTERCHANGEABLE
Cover,electrical Connector
Azachorok Contract Services, Llc.
Cross-Reference Index
Part NumberManufacturer
88-21181-22 PRIMARY Department of Defense Project Manager-Mobile Electric Power (USA)
88-21181 Department of Defense Project Manager-Mobile Electric Power (USA)
3300-22 Marco Manufacturing Co Inc (USA)
Related Parts
5935-01-087-5880INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
330022
5998-01-241-0178INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5940-01-431-5367INTERCHANGEABLE
TERMINAL BOARD
3300-24
5940-01-470-2470INTERCHANGEABLE
TERMINAL BOARD
3300-2
5940-01-470-2875INTERCHANGEABLE
TERMINAL BOARD
3300-4
5940-01-477-1254INTERCHANGEABLE
TERMINAL BOARD
3300-3
5935-01-646-7139INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
ICS8321-1

Frequently Asked Questions

What is NSN 5940-01-531-6040?

NSN 5940-01-531-6040 is a Terminal Junction Block,sectiona, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-01-531-6040?

NSN 5940-01-531-6040 has 3 cross-referenced part numbers: 88-21181-22 (Department of Defense Project Manager-Mobile Electric Power), 88-21181 (Department of Defense Project Manager-Mobile Electric Power), 3300-22 (Marco Manufacturing Co Inc).

What NSN replaces 5940-01-531-6040?

There are 7 known substitutes for 5940-01-531-6040: 5935-01-087-5880, 5998-01-241-0178, 5940-01-431-5367 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 88-21181-22?

Key specifications for 88-21181-22: Overall Length: 10.313 INCHES MINIMUM AND 10.437 INCHES MAXIMUM IN; Current Rating in Amps: 20.0; Terminal Type and Quantity: 22 SCREW; Block Type: THERMAL. 11 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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