PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

718Box Connector,electrical

Midwest Electric Mfg Corp Sub of Crouse-Hinds Co · NSN 5975-00-945-8661 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-945-8661 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-945-8661. Primary manufacturer part number: 718.
Features
  • Box Connector,electrical — FSC 5975
  • Item Accommodated Trade Size: 1.250 INCHES FIRST END IN
  • End Type: TWO SCREW CLAMP, CENTER CONNECTED FIRST END
  • Material: IRON MALLEABLE OR STEEL
  • Style Designator: TWO-SCREW CLAMP
  • Nondefinitive Spec/std Data: 4 CLASS AND M STYLE AND I TYPE
  • End Type: EXTERNAL THREAD SECOND END
  • Furnished Items: LOCKNUT
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 5975-00-945-8661, 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 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 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
NSN5975-00-945-8661
Primary Part Number718
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerMidwest Electric Mfg Corp Sub of Crouse-Hinds Co
StatusCANCELLED
Item Accommodated Trade Size1.250 INCHES FIRST END IN
End TypeTWO SCREW CLAMP, CENTER CONNECTED FIRST END
MaterialIRON MALLEABLE OR STEEL
Style DesignatorTWO-SCREW CLAMP
Nondefinitive Spec/std Data4 CLASS AND M STYLE AND I TYPE
End TypeEXTERNAL THREAD SECOND END
Furnished ItemsLOCKNUT
Surface TreatmentCADMIUM OR ZINC
Conduit Type AccommodatedFLEXIBLE NONMETALLIC FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-188-4199 INTERCHANGEABLE
Washer,flat
3455-00-224-375551-10570 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3455-00-224-376351-10573 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3455-00-224-376751-10574 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5975-00-280-97664SSL3-4 INTERCHANGEABLE
Junction Box
Egs Electrical Group Appleton Div
2530-00-385-6985F3647 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6240-00-401-986812-09219-01 INTERCHANGEABLE
Lamp,incandescent
Compaq Federal Llc
6620-00-530-008815235 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5330-00-618-2258450523SSR INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5930-00-626-2125 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
718 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
3305T&B Abb Installation Products Inc (USA)
TP4253-05 Colonial Electric Supply Co (USA)
A-A-50552 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WF406 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
752-6634-003 Northern Telecom Inc Telecom Distribution Div (USA)
AA50552-00I-4-M-N Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1015 Efcor Inc
15235 Egs Electrical Group Appleton Div (USA)
907F Egs Electric Co Llc (USA)
674 Bridgeport Fittings Inc (USA)
Related Parts
5310-00-188-4199INTERCHANGEABLE
WASHER,FLAT
3455-00-224-3755INTERCHANGEABLE
CUTTER,MILLING,END
51-10570
3455-00-224-3763INTERCHANGEABLE
CUTTER,MILLING,END
51-10573
3455-00-224-3767INTERCHANGEABLE
CUTTER,MILLING,END
51-10574
5975-00-280-9766INTERCHANGEABLE
JUNCTION BOX
4SSL3-4
2530-00-385-6985INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
F3647
6240-00-401-9868INTERCHANGEABLE
LAMP,INCANDESCENT
12-09219-01
6620-00-530-0088INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
15235
5330-00-618-2258INTERCHANGEABLE
SEAL,PLAIN ENCASED
450523SSR
5930-00-626-2125INTERCHANGEABLE
SWITCH,TOGGLE
4820-00-723-8596INTERCHANGEABLE
VALVE,PRESSURE REGU
67-4
5950-00-904-1454INTERCHANGEABLE
TRANSFORMER,POWER
722801-55

Frequently Asked Questions

What is NSN 5975-00-945-8661?

NSN 5975-00-945-8661 is a Box Connector,electrical, manufactured by Midwest Electric Mfg Corp Sub of Crouse-Hinds Co, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-945-8661?

NSN 5975-00-945-8661 has 11 cross-referenced part numbers: 718 (Midwest Electric Mfg Corp Sub of Crouse-Hinds Co), 3305T&B (Abb Installation Products Inc), TP4253-05 (Colonial Electric Supply Co), A-A-50552 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), WF406 (Federal Specifications Promulgated by General Services Administration Washington DC) and 6 more.

What NSN replaces 5975-00-945-8661?

There are 12 known substitutes for 5975-00-945-8661: 5310-00-188-4199, 3455-00-224-3755, 3455-00-224-3763 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 718?

Key specifications for 718: Item Accommodated Trade Size: 1.250 INCHES FIRST END IN; End Type: TWO SCREW CLAMP, CENTER CONNECTED FIRST END; Material: IRON MALLEABLE OR STEEL; Style Designator: TWO-SCREW CLAMP. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-945-8661 still in active supply?

NSN 5975-00-945-8661 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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