PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STB150Box Connector,electrical

Egs Electrical Group Appleton Div · NSN 5975-00-958-5140 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-958-5140 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-958-5140. Primary manufacturer part number: STB150.
Features
  • Box Connector,electrical — FSC 5975
  • Item Accommodated Trade Size: 1.500 INCHES FIRST END IN
  • Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END
  • End Type: EXTERNAL THREAD SECOND END
  • Material: IRON MALLEABLE OR STEEL
  • End Type: GLAND NUT W/INTERNAL THREAD FIRST END
  • Surface Treatment: CADMIUM OR ZINC
  • Hazardous Locations/environmental Protection: LIQUID TIGHT
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Iron Malleable or Steel construction
General Description

The Box Connector,electrical, cataloged under National Stock Number 5975-00-958-5140, 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 Egs Electrical Group Appleton Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-958-5140
Primary Part NumberSTB150
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerEgs Electrical Group Appleton Div
StatusCANCELLED
Item Accommodated Trade Size1.500 INCHES FIRST END IN
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
End TypeEXTERNAL THREAD SECOND END
MaterialIRON MALLEABLE OR STEEL
End TypeGLAND NUT W/INTERNAL THREAD FIRST END
Surface TreatmentCADMIUM OR ZINC
Hazardous Locations/environmental ProtectionLIQUID TIGHT
Furnished ItemsINSULATED BUSHING AND LOCKNUT
Style DesignatorSTRAIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5950-00-190-1072 INTERCHANGEABLE
Reactor
4930-00-274-5713 INTERCHANGEABLE
Oiler,hand
3120-00-354-84621646 INTERCHANGEABLE
Bushing,sleeve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5340-00-781-3919NAS1281C7 INTERCHANGEABLE
Snap Hook
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
1005-01-141-65635336 INTERCHANGEABLE
Trigger
Smith & Wesson Sales Company
5975-01-334-47305336 INTERCHANGEABLE
Conduit Outlet
Raco, a Division of Hubbell Incorporated(delaware)
5130-01-349-25925336 INTERCHANGEABLE
Socket,socket Wrench
Apex Tool Group, Llc
5120-01-428-4684 INTERCHANGEABLE
Socket,socket Wrench
7510-01-672-80585336 INTERCHANGEABLE
Portfolio
Klein Tools Inc Zah Group Inc Div International Sales
Cross-Reference Index
Part NumberManufacturer
11-150B Efcor Inc
5336 Abb Installation Products Inc (USA)
LTB-150 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
STB150 PRIMARY Egs Electrical Group Appleton Div (USA)
4Q-150-T Egs Electric Co Llc (USA)
Related Parts
5950-00-190-1072INTERCHANGEABLE
REACTOR
4930-00-274-5713INTERCHANGEABLE
OILER,HAND
3120-00-354-8462INTERCHANGEABLE
BUSHING,SLEEVE
1646
5340-00-781-3919INTERCHANGEABLE
SNAP HOOK
NAS1281C7
1005-01-141-6563INTERCHANGEABLE
TRIGGER
5336
5975-01-334-4730INTERCHANGEABLE
CONDUIT OUTLET
5336
5130-01-349-2592INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5336
5120-01-428-4684INTERCHANGEABLE
SOCKET,SOCKET WRENCH
7510-01-672-8058INTERCHANGEABLE
PORTFOLIO
5336

Frequently Asked Questions

What is NSN 5975-00-958-5140?

NSN 5975-00-958-5140 is a Box Connector,electrical, manufactured by Egs Electrical Group Appleton Div, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-958-5140?

NSN 5975-00-958-5140 has 5 cross-referenced part numbers: 11-150B (Efcor Inc), 5336 (Abb Installation Products Inc), LTB-150 (Midwest Electric Mfg Corp Sub of Crouse-Hinds Co), STB150 (Egs Electrical Group Appleton Div), 4Q-150-T (Egs Electric Co Llc).

What NSN replaces 5975-00-958-5140?

There are 9 known substitutes for 5975-00-958-5140: 5950-00-190-1072, 4930-00-274-5713, 3120-00-354-8462 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of STB150?

Key specifications for STB150: Item Accommodated Trade Size: 1.500 INCHES FIRST END IN; Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END; End Type: EXTERNAL THREAD SECOND END; Material: IRON MALLEABLE OR STEEL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-958-5140 still in active supply?

NSN 5975-00-958-5140 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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