PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5251Box Connector,electrical

Abb Installation Products Inc · NSN 5975-00-615-9173 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-615-9173 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-615-9173. Primary manufacturer part number: 5251.
Features
  • Box Connector,electrical — FSC 5975
  • Style Designator: ANGLE
  • End Type: EXTERNAL THREAD SECOND END
  • Item Accommodated Trade Size: 0.375 INCHES FIRST END IN
  • Leg End to Plane of Bend Distance: 1.562 INCHES NOMINAL FIRST END IN
  • Furnished Items: LOCKNUT
  • Deflection Angle: 90.0 DEGREES
  • Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Iron Malleable construction
General Description

The Box Connector,electrical, cataloged under National Stock Number 5975-00-615-9173, 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 Abb Installation Products Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 13 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
NSN5975-00-615-9173
Primary Part Number5251
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerAbb Installation Products Inc
StatusCANCELLED
Style DesignatorANGLE
End TypeEXTERNAL THREAD SECOND END
Item Accommodated Trade Size0.375 INCHES FIRST END IN
Leg End to Plane of Bend Distance1.562 INCHES NOMINAL FIRST END IN
Furnished ItemsLOCKNUT
Deflection Angle90.0 DEGREES
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
Hazardous Locations/environmental ProtectionLIQUID TIGHT
End TypeGLAND NUT W/INTERNAL THREAD FIRST END
Surface TreatmentCADMIUM
MaterialIRON MALLEABLE
Leg End to Plane of Bend Distance1.375 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-216-3531W0-1 INTERCHANGEABLE
Washer,flat
Honeywell Intl Inc Defense Avionics Systems
2990-00-258-648621143 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
3120-00-359-01925251 INTERCHANGEABLE
Bearing,washer,thrust
Mitsubishi Caterpillar Forklift America, Inc
5360-00-384-0023FC965 INTERCHANGEABLE
Spring,helical,compression
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5950-00-456-89031C34 INTERCHANGEABLE
Reactor
A.e.york, Llc
5905-00-468-2994912057-3 INTERCHANGEABLE
Resistor Network,fixed,wire Woun
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5915-00-772-5293 INTERCHANGEABLE
Filter,low Pass
5935-00-990-26785251 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5360-01-004-680720953 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5998-01-020-1651525-1 INTERCHANGEABLE
Circuit Card Assembly
Marc Alan Group the, Inc
Cross-Reference Index
Part NumberManufacturer
4Q-938 Egs Electric Co Llc (USA)
MA106A Marine & Industrial Transmissions Ltd (GBR)
LML-01 Neer Mfg Co Inc (USA)
5251 Thomas and Betts Ltd (CAN)
MA-106-A Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
ST-9038 Egs Electrical Group Appleton Div (USA)
MA106A Twin Disc International S a (GBR)
20953 Hamilton Sundstrand Corporation (USA)
LT-3890 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
3421 Raco, a Division of Hubbell Incorporated(delaware) (USA)
12-38 Efcor Inc
5251 PRIMARY Abb Installation Products Inc (USA)
469LT Bridgeport Fittings Inc (USA)
Related Parts
5310-00-216-3531INTERCHANGEABLE
WASHER,FLAT
W0-1
2990-00-258-6486INTERCHANGEABLE
MUFFLER,EXHAUST
21143
3120-00-359-0192INTERCHANGEABLE
BEARING,WASHER,THRUST
5251
5360-00-384-0023INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
FC965
5950-00-456-8903INTERCHANGEABLE
REACTOR
1C34
5905-00-468-2994INTERCHANGEABLE
RESISTOR NETWORK,FIXED,WIRE WOUN
912057-3
5915-00-772-5293INTERCHANGEABLE
FILTER,LOW PASS
5935-00-990-2678INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5251
5360-01-004-6807INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20953
5998-01-020-1651INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
525-1
5935-01-020-2093INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5251
3020-01-116-0030INTERCHANGEABLE
SPROCKET WHEEL
5251

Frequently Asked Questions

What is NSN 5975-00-615-9173?

NSN 5975-00-615-9173 is a Box Connector,electrical, manufactured by Abb Installation Products Inc, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-615-9173?

NSN 5975-00-615-9173 has 13 cross-referenced part numbers: 4Q-938 (Egs Electric Co Llc), MA106A (Marine & Industrial Transmissions Ltd), LML-01 (Neer Mfg Co Inc), 5251 (Thomas and Betts Ltd), MA-106-A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic) and 8 more.

What NSN replaces 5975-00-615-9173?

There are 12 known substitutes for 5975-00-615-9173: 5310-00-216-3531, 2990-00-258-6486, 3120-00-359-0192 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5251?

Key specifications for 5251: Style Designator: ANGLE; End Type: EXTERNAL THREAD SECOND END; Item Accommodated Trade Size: 0.375 INCHES FIRST END IN; End Item Identification: F-16 AIRCRAFT. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-615-9173 still in active supply?

NSN 5975-00-615-9173 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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