PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5903-1Cover,junction Box

Tru-Hitch, Inc. · NSN 5975-01-670-3117 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-01-670-3117 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-670-3117. Primary manufacturer part number: 5903-1.
Features
  • Cover,junction Box — FSC 5975
  • Cover Opening Shape and Quantity: 3 ROUND
  • First Center to Center Distance Between Mounting Holes: 7.0 INCHES NOMINAL IN
  • Second Center to Center Distance Between Mounting Holes: 3.0 INCHES NOMINAL IN
  • Distance From Center of Mounting Hole to Edge Along the Length: 0.50 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.4375 INCHES NOMINAL IN
  • Distance From Center of Mounting Hole to Edge Along the Width: 0.50 INCHES NOMINAL IN
  • Style Designator: DOUBLE END MOUNTED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,junction Box, cataloged under National Stock Number 5975-01-670-3117, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Tru-Hitch, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-01-670-3117
Primary Part Number5903-1
Item NameCover,junction Box
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerTru-Hitch, Inc.
StatusACTIVE
Cover Opening Shape and Quantity3 ROUND
First Center to Center Distance Between Mounting Holes7.0 INCHES NOMINAL IN
Second Center to Center Distance Between Mounting Holes3.0 INCHES NOMINAL IN
Distance From Center of Mounting Hole to Edge Along the Length0.50 INCHES NOMINAL IN
Mounting Hole Diameter0.4375 INCHES NOMINAL IN
Distance From Center of Mounting Hole to Edge Along the Width0.50 INCHES NOMINAL IN
Style DesignatorDOUBLE END MOUNTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2825-00-388-11812427 INTERCHANGEABLE
Liner Assembly
Northrop Grumman Systems Corporation Div Marine Systems
5970-01-100-467259031 INTERCHANGEABLE
Insulator,bushing
Prestolite Electric Inc
6640-01-446-93065-9031 INTERCHANGEABLE
Plug Column,male
Sigma-Aldrich, Inc. Dba Sigma-Aldrich Sales, Inc
Cross-Reference Index
Part NumberManufacturer
5903-1 PRIMARY Tru-Hitch, Inc. (USA)
Related Parts
2825-00-388-1181INTERCHANGEABLE
LINER ASSEMBLY
2427
5970-01-100-4672INTERCHANGEABLE
INSULATOR,BUSHING
59031
6640-01-446-9306INTERCHANGEABLE
PLUG COLUMN,MALE
5-9031

Frequently Asked Questions

What is NSN 5975-01-670-3117?

NSN 5975-01-670-3117 is a Cover,junction Box, manufactured by Tru-Hitch, Inc., classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-01-670-3117?

NSN 5975-01-670-3117 has 1 cross-referenced part number: 5903-1 (Tru-Hitch, Inc.).

What NSN replaces 5975-01-670-3117?

There are 3 known substitutes for 5975-01-670-3117: 2825-00-388-1181, 5970-01-100-4672, 6640-01-446-9306. Verify interchangeability with system specifications before substitution.

What are the specifications of 5903-1?

Key specifications for 5903-1: Cover Opening Shape and Quantity: 3 ROUND; Overall Length: 8.0 INCHES NOMINAL IN; First Center to Center Distance Between Mounting Holes: 7.0 INCHES NOMINAL IN; Second Center to Center Distance Between Mounting Holes: 3.0 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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