PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STB90250Box Connector,electrical

Egs Electrical Group Appleton Div · NSN 5975-01-552-3448 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-01-552-3448 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-552-3448. Primary manufacturer part number: STB90250.
Features
  • Box Connector,electrical — FSC 5975
  • Thread Class: 2B FIRST END
  • Surface Treatment: ZINC
  • Style Designator: ANGLE
  • Leg End to Plane of Bend Distance: 8.781 INCHES NOMINAL SINGLE END IN
  • Nominal Thread Size: 2.500 INCHES FIRST END IN
  • Thread Series Designator: NPT FIRST END
  • Material: STEEL
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Steel construction
General Description

The Box Connector,electrical, cataloged under National Stock Number 5975-01-552-3448, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5975-01-552-3448
Primary Part NumberSTB90250
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerEgs Electrical Group Appleton Div
StatusACTIVE
Thread Class2B FIRST END
Surface TreatmentZINC
Style DesignatorANGLE
Leg End to Plane of Bend Distance8.781 INCHES NOMINAL SINGLE END IN
Nominal Thread Size2.500 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-308912057 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Dressta North America Ltd
5995-00-128-86585358 INTERCHANGEABLE
Cable Assembly,power,electrical
The First Electronics Corporation
5950-00-147-137027837 INTERCHANGEABLE
Reactor
Freed Transformer Co
2995-00-357-1897DS-922248 INTERCHANGEABLE
Cover Assemlby,starter
Eaton Aerospace, Llc Dba Jackson South
5330-00-480-214224120 INTERCHANGEABLE
Gasket
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
1650-00-794-710757273902 INTERCHANGEABLE
Parts Kit,valve
Hydro-Aire Aerospace Corp
5935-01-092-94475358 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5365-01-194-6646 INTERCHANGEABLE
Spacer,ring
Cross-Reference Index
Part NumberManufacturer
5358 Thomas and Betts Co (USA)
STB90250 PRIMARY Egs Electrical Group Appleton Div (USA)
5358 PRIMARY Abb Installation Products Inc (USA)
SM-A-949385-31 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
3110-00-100-3089INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
12057
5995-00-128-8658INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
5358
5950-00-147-1370INTERCHANGEABLE
REACTOR
27837
2995-00-357-1897INTERCHANGEABLE
COVER ASSEMLBY,STARTER
DS-922248
5330-00-480-2142INTERCHANGEABLE
GASKET
24120
1650-00-794-7107INTERCHANGEABLE
PARTS KIT,VALVE
57273902
5935-01-092-9447INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5358
5365-01-194-6646INTERCHANGEABLE
SPACER,RING

Frequently Asked Questions

What is NSN 5975-01-552-3448?

NSN 5975-01-552-3448 is a Box Connector,electrical, manufactured by Egs Electrical Group Appleton Div, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-01-552-3448?

NSN 5975-01-552-3448 has 4 cross-referenced part numbers: 5358 (Thomas and Betts Co), STB90250 (Egs Electrical Group Appleton Div), 5358 (Abb Installation Products Inc), SM-A-949385-31 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5975-01-552-3448?

There are 8 known substitutes for 5975-01-552-3448: 3110-00-100-3089, 5995-00-128-8658, 5950-00-147-1370 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of STB90250?

Key specifications for STB90250: Thread Class: 2B FIRST END; Surface Treatment: ZINC; Style Designator: ANGLE; Leg End to Plane of Bend Distance: 8.781 INCHES NOMINAL SINGLE END IN. 10 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