PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

138-512Terminal Junction Block,sectiona

Rix Industries · NSN 5940-01-508-5946 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-01-508-5946 — this item is cataloged by the U.S. Government under National Stock Number 5940-01-508-5946. Primary manufacturer part number: 138-512.
Features
  • Terminal Junction Block,sectiona — FSC 5940
  • Current Rating in Amps: 15.0
  • Mounting Method: SCREW
  • Block Type: REGULAR
  • Terminal Type and Quantity: 12 SCREW
  • Terminal Design: FEEDTHRU
  • Wire Size Accommodated: 16.000 AWG MINIMUM AND 22.000 AWG MAXIMUM
  • Voltage Rating: 250.0 VOLTS NOMINAL
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 5940-01-508-5946, 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 Rix Industries. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5940-01-508-5946
Primary Part Number138-512
Item NameTerminal Junction Block,sectiona
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerRix Industries
StatusACTIVE
Current Rating in Amps15.0
Mounting MethodSCREW
Block TypeREGULAR
Terminal Type and Quantity12 SCREW
Terminal DesignFEEDTHRU
Wire Size Accommodated16.000 AWG MINIMUM AND 22.000 AWG MAXIMUM
Voltage Rating250.0 VOLTS NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5360-00-007-8156670-1-2 INTERCHANGEABLE
Spring,helical,compression
Tactair Fluid Controls Inc
5360-00-237-849567012 INTERCHANGEABLE
Spring,helical,compression
Connecticut Spring & Stamping Corporation the Dba Connecticut Spring & Stamping Corp
5310-00-843-342367012 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Sps Technologies, Llc Dba PB Fasteners
5940-00-983-6053 INTERCHANGEABLE
Terminal Board
5310-01-023-814267012 INTERCHANGEABLE
Nut,plain,hexagon
Crane Carrier Company, Llc
4820-01-031-73462615208-3 INTERCHANGEABLE
Valve,gate
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6150-01-138-0149L22366P06 INTERCHANGEABLE
Cable Assembly,power,electrical
General Electric Company
6680-01-383-9821138512 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
158-35253 ITEM 1 Rix Industries (USA)
158-35253 Rix Industries (USA)
138-512 PRIMARY Rix Industries (USA)
670-12 Bussman (USA)
Related Parts
5360-00-007-8156INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
670-1-2
5360-00-237-8495INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
67012
5310-00-843-3423INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
67012
5940-00-983-6053INTERCHANGEABLE
TERMINAL BOARD
5310-01-023-8142INTERCHANGEABLE
NUT,PLAIN,HEXAGON
67012
4820-01-031-7346INTERCHANGEABLE
VALVE,GATE
2615208-3
6150-01-138-0149INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
L22366P06
6680-01-383-9821INTERCHANGEABLE
SWITCH,LIQUID LEVEL
138512

Frequently Asked Questions

What is NSN 5940-01-508-5946?

NSN 5940-01-508-5946 is a Terminal Junction Block,sectiona, manufactured by Rix Industries, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-01-508-5946?

NSN 5940-01-508-5946 has 4 cross-referenced part numbers: 158-35253 ITEM 1 (Rix Industries), 158-35253 (Rix Industries), 138-512 (Rix Industries), 670-12 (Bussman).

What NSN replaces 5940-01-508-5946?

There are 8 known substitutes for 5940-01-508-5946: 5360-00-007-8156, 5360-00-237-8495, 5310-00-843-3423 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 138-512?

Key specifications for 138-512: Overall Length: 5.156 INCHES NOMINAL IN; Current Rating in Amps: 15.0; Mounting Method: SCREW; Overall Height: 0.440 INCHES NOMINAL IN. 12 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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