PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21028Terminal Junction Block,sectiona

Gaylord Marine Services, Inc. · NSN 5940-01-529-3293 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-01-529-3293 — this item is cataloged by the U.S. Government under National Stock Number 5940-01-529-3293. Primary manufacturer part number: 21028.
Features
  • Terminal Junction Block,sectiona — FSC 5940
  • Environmental Protection: CORROSION RESISTANT AND SALT SPRAY RESISTANT
  • Voltage Rating: 250.0 VOLTS NOMINAL
  • Block Type: REGULAR
  • Operating Temp Range: -65.0 TO 120.0 CELSIUS DEGC
  • Terminal Type and Quantity: 4 SOCKET
  • Current Rating in Amps: 20.0
  • Pole Quantity: 2
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 5940-01-529-3293, 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 Gaylord Marine Services, Inc.. Government technical data includes 11 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-01-529-3293
Primary Part Number21028
Item NameTerminal Junction Block,sectiona
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerGaylord Marine Services, Inc.
StatusACTIVE
Environmental ProtectionCORROSION RESISTANT AND SALT SPRAY RESISTANT
Voltage Rating250.0 VOLTS NOMINAL
Block TypeREGULAR
Operating Temp Range-65.0 TO 120.0 CELSIUS DEGC
Terminal Type and Quantity4 SOCKET
Current Rating in Amps20.0
Pole Quantity2
Terminal DesignFEEDTHRU
Mounting MethodTRACK
Wire Size Accommodated12.000 AWG NOMINAL
Current TypeDC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5360-00-229-287121028 INTERCHANGEABLE
Spring,helical,compression
Hydro-Aire Aerospace Corp
4810-00-237-026870000565 INTERCHANGEABLE
Seat,valve
Akron Brass Company
5905-00-566-1636 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5940-00-577-0742 INTERCHANGEABLE
Terminal,lug
5945-00-911-988921-028 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
2990-00-991-3657101901 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5340-01-588-260721-028 INTERCHANGEABLE
Strap,retaining
Hii Unmanned Systems, Inc
4940-01-723-105221028 INTERCHANGEABLE
Canister,pressurize,air Brush
Wd-40 Company
Cross-Reference Index
Part NumberManufacturer
NM-9000-RP-S10 ITEM 6 Gaylord Marine Services, Inc. (USA)
21028 PRIMARY Gaylord Marine Services, Inc. (USA)
Related Parts
5360-00-229-2871INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21028
4810-00-237-0268INTERCHANGEABLE
SEAT,VALVE
70000565
5905-00-566-1636INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5940-00-577-0742INTERCHANGEABLE
TERMINAL,LUG
5945-00-911-9889INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21-028
2990-00-991-3657INTERCHANGEABLE
MUFFLER,EXHAUST
101901
5340-01-588-2607INTERCHANGEABLE
STRAP,RETAINING
21-028
4940-01-723-1052INTERCHANGEABLE
CANISTER,PRESSURIZE,AIR BRUSH
21028

Frequently Asked Questions

What is NSN 5940-01-529-3293?

NSN 5940-01-529-3293 is a Terminal Junction Block,sectiona, manufactured by Gaylord Marine Services, Inc., classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-01-529-3293?

NSN 5940-01-529-3293 has 2 cross-referenced part numbers: NM-9000-RP-S10 ITEM 6 (Gaylord Marine Services, Inc.), 21028 (Gaylord Marine Services, Inc.).

What NSN replaces 5940-01-529-3293?

There are 8 known substitutes for 5940-01-529-3293: 5360-00-229-2871, 4810-00-237-0268, 5905-00-566-1636 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21028?

Key specifications for 21028: Environmental Protection: CORROSION RESISTANT AND SALT SPRAY RESISTANT; Voltage Rating: 250.0 VOLTS NOMINAL; Block Type: REGULAR; Operating Temp Range: -65.0 TO 120.0 CELSIUS DEGC. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com