PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8121Box Connector,electrical

Abb Installation Products Inc · NSN 5975-00-962-9891 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-962-9891 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-962-9891. Primary manufacturer part number: 8121.
Features
  • Box Connector,electrical — FSC 5975
  • End Type: EXTERNAL THREAD SECOND END
  • Surface Treatment: CADMIUM OR ZINC
  • Furnished Items: LOCKNUT
  • Item Accommodated Trade Size: 0.500 INCHES FIRST END IN
  • Hazardous Locations/environmental Protection: CEMENT TIGHT
  • End Type: COMPRESSION RING AND NUT FIRST END
  • Material: IRON MALLEABLE OR STEEL
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 5975-00-962-9891, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 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
NSN5975-00-962-9891
Primary Part Number8121
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerAbb Installation Products Inc
StatusCANCELLED
End TypeEXTERNAL THREAD SECOND END
Surface TreatmentCADMIUM OR ZINC
Furnished ItemsLOCKNUT
Item Accommodated Trade Size0.500 INCHES FIRST END IN
Hazardous Locations/environmental ProtectionCEMENT TIGHT
End TypeCOMPRESSION RING AND NUT FIRST END
MaterialIRON MALLEABLE OR STEEL
Style DesignatorSTRAIGHT
Conduit Type AccommodatedRIGID METALLIC THICKWALL FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-004-516131050 INTERCHANGEABLE
Gasket
Mcneil Ohio Corp
5935-00-052-8649 INTERCHANGEABLE
Connector,plug,electrical
5961-00-058-1178 INTERCHANGEABLE
Transistor
5975-00-179-0098 INTERCHANGEABLE
Box Connector,electrical
5945-00-189-20948121 INTERCHANGEABLE
Relay,electromagnetic
Elkay Mfg Co Water Cooler Div
5133-00-189-9257 INTERCHANGEABLE
Drill,twist
5950-00-198-8511672-2090-00 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5920-00-256-9362 INTERCHANGEABLE
Fuse Link,electrical
6210-00-295-18378-0121-200 INTERCHANGEABLE
Lens,light
Dialight Corporation
3120-00-354-5254 INTERCHANGEABLE
Bearing,washer,thrust
Cross-Reference Index
Part NumberManufacturer
20700 Efcor Inc
AS8384 Abb Installation Products Inc (USA)
CCT1 Crouse-Hinds Co (USA)
NTC-50 Egs Electrical Group Appleton Div (USA)
HC-401 Abb Installation Products Inc (USA)
8121 Thomas and Betts Ltd (CAN)
NT2750 American Fitting Corp Dba Amfico (USA)
272-1401P1 Raytheon Company Dba Raytheon Co (USA)
1802 Raco, a Division of Hubbell Incorporated(delaware) (USA)
8121 PRIMARY Abb Installation Products Inc (USA)
31-050 Egs Electric Co Llc (USA)
1750 Efcor Inc
96T050 Appleton Electric Co (USA)
80N95 Egs Electrical Group Appleton Div (USA)
272-1401P1 Raytheon Company Div Corp (USA)
Related Parts
5330-00-004-5161INTERCHANGEABLE
GASKET
31050
5935-00-052-8649INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5961-00-058-1178INTERCHANGEABLE
TRANSISTOR
5975-00-179-0098INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5945-00-189-2094INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
8121
5133-00-189-9257INTERCHANGEABLE
DRILL,TWIST
5950-00-198-8511INTERCHANGEABLE
TRANSFORMER,POWER
672-2090-00
5920-00-256-9362INTERCHANGEABLE
FUSE LINK,ELECTRICAL
6210-00-295-1837INTERCHANGEABLE
LENS,LIGHT
8-0121-200
3120-00-354-5254INTERCHANGEABLE
BEARING,WASHER,THRUST
4140-00-381-4563INTERCHANGEABLE
FAN,CENTRIFUGAL
5330-00-421-7894INTERCHANGEABLE
GASKET
31050

Frequently Asked Questions

What is NSN 5975-00-962-9891?

NSN 5975-00-962-9891 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 5975-00-962-9891?

NSN 5975-00-962-9891 has 15 cross-referenced part numbers: 20700 (Efcor Inc), AS8384 (Abb Installation Products Inc), CCT1 (Crouse-Hinds Co), NTC-50 (Egs Electrical Group Appleton Div), HC-401 (Abb Installation Products Inc) and 10 more.

What NSN replaces 5975-00-962-9891?

There are 12 known substitutes for 5975-00-962-9891: 5330-00-004-5161, 5935-00-052-8649, 5961-00-058-1178 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8121?

Key specifications for 8121: End Type: EXTERNAL THREAD SECOND END; Surface Treatment: CADMIUM OR ZINC; Furnished Items: LOCKNUT; Item Accommodated Trade Size: 0.500 INCHES FIRST END IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-962-9891 still in active supply?

NSN 5975-00-962-9891 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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