PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91T075Box Connector,electrical

Egs Electrical Group Appleton Div · NSN 5975-00-257-1304 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-257-1304 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-257-1304. Primary manufacturer part number: 91T075.
Features
  • Box Connector,electrical — FSC 5975
  • Style Designator: SET SCREW
  • End Type: EXTERNAL THREAD SECOND END
  • Nondefinitive Spec/std Data: 2 CLASS AND L KIND AND 1 STYLE AND 2 TYPE
  • End Type: STRAIGHT SETSCREW FIRST END
  • Surface Treatment: CADMIUM OR ZINC
  • Hazardous Locations/environmental Protection: CEMENT TIGHT
  • Furnished Items: LOCKNUT AND SETSCREW
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Steel construction
General Description

The Box Connector,electrical, cataloged under National Stock Number 5975-00-257-1304, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-257-1304
Primary Part Number91T075
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerEgs Electrical Group Appleton Div
StatusCANCELLED
Style DesignatorSET SCREW
End TypeEXTERNAL THREAD SECOND END
Nondefinitive Spec/std Data2 CLASS AND L KIND AND 1 STYLE AND 2 TYPE
End TypeSTRAIGHT SETSCREW FIRST END
Surface TreatmentCADMIUM OR ZINC
Hazardous Locations/environmental ProtectionCEMENT TIGHT
Furnished ItemsLOCKNUT AND SETSCREW
Item Accommodated Trade Size0.750 INCHES FIRST END IN
MaterialSTEEL
Conduit Type AccommodatedRIGID METALLIC THINWALL FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3020-00-030-7366 INTERCHANGEABLE
Gear Set,spur,matched
4920-00-034-8783 INTERCHANGEABLE
Test Stand,hydraulic System Comp
3895-00-136-73775053-50-SS INTERCHANGEABLE
Strainer Assembly,jet
Spraying Systems Co
2530-00-139-399020301 INTERCHANGEABLE
Hub Assembly
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
3110-00-156-3427200-016 INTERCHANGEABLE
Bearing,ball,annular
Cummins-Allison Corp. Dba Cummins-Allison Div Federal Government Department
3110-00-156-67370074698 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5355-00-179-9727505-3 INTERCHANGEABLE
Knob
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5940-00-201-7180B31-10344-7 INTERCHANGEABLE
Adapter,radio Frequency Cable
General Dynamics Mission Systems, Inc.
5940-00-204-61368908469 INTERCHANGEABLE
Terminal Board
Us Army Aviation and Missile Command
6625-00-220-96215053 INTERCHANGEABLE
Test Set Subassembly,electrical
The Bechdon Company, Llc
Cross-Reference Index
Part NumberManufacturer
91T075 Egs Electrical Group Appleton Div (USA)
231 Bridgeport Fittings Inc (USA)
1021-S Atlas Technologies Inc (USA)
5053 Abb Installation Products Inc (USA)
A-A-50553 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
TW75-S Egs Electrical Group Appleton Div (USA)
451 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
AA50553-2-2-L-1-02-M Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
2003 Raco, a Division of Hubbell Incorporated(delaware) (USA)
W-F-408-2-2-L-1-02-M Federal Specifications Promulgated by General Services Administration Washington DC (USA)
0212356 FIND 17 Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific (USA)
4075S Egs Electric Co Llc (USA)
20301 Atlas Technologies Inc (USA)
4075 Egs Electric Co Llc (USA)
721 Efcor Inc
TC122 Abb Installation Products Inc (USA)
W-F-408 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
231-DC Bridgeport Fittings Inc (USA)
Related Parts
3020-00-030-7366INTERCHANGEABLE
GEAR SET,SPUR,MATCHED
4920-00-034-8783INTERCHANGEABLE
TEST STAND,HYDRAULIC SYSTEM COMP
3895-00-136-7377INTERCHANGEABLE
STRAINER ASSEMBLY,JET
5053-50-SS
2530-00-139-3990INTERCHANGEABLE
HUB ASSEMBLY
20301
3110-00-156-3427INTERCHANGEABLE
BEARING,BALL,ANNULAR
200-016
3110-00-156-6737INTERCHANGEABLE
BEARING,BALL,ANNULAR
0074698
5355-00-179-9727INTERCHANGEABLE
KNOB
505-3
5940-00-201-7180INTERCHANGEABLE
ADAPTER,RADIO FREQUENCY CABLE
B31-10344-7
5940-00-204-6136INTERCHANGEABLE
TERMINAL BOARD
8908469
6625-00-220-9621INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
5053
5950-00-222-5419INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5120-00-223-0989INTERCHANGEABLE
PUNCH,STARTER

Frequently Asked Questions

What is NSN 5975-00-257-1304?

NSN 5975-00-257-1304 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 5975-00-257-1304?

NSN 5975-00-257-1304 has 18 cross-referenced part numbers: 91T075 (Egs Electrical Group Appleton Div), 231 (Bridgeport Fittings Inc), 1021-S (Atlas Technologies Inc), 5053 (Abb Installation Products Inc), A-A-50553 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 13 more.

What NSN replaces 5975-00-257-1304?

There are 12 known substitutes for 5975-00-257-1304: 3020-00-030-7366, 4920-00-034-8783, 3895-00-136-7377 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91T075?

Key specifications for 91T075: Style Designator: SET SCREW; End Type: EXTERNAL THREAD SECOND END; Nondefinitive Spec/std Data: 2 CLASS AND L KIND AND 1 STYLE AND 2 TYPE; End Type: STRAIGHT SETSCREW FIRST END. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-257-1304 still in active supply?

NSN 5975-00-257-1304 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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