PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8321Box Connector,electrical

Abb Installation Products Inc · NSN 5975-00-878-4872 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-878-4872 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-878-4872. Primary manufacturer part number: 8321.
Features
  • Box Connector,electrical — FSC 5975
  • End Type: COMPRESSION RING AND NUT FIRST END
  • Style Designator: STRAIGHT
  • Material: IRON MALLEABLE
  • Item Accommodated Trade Size: 1.000 INCHES FIRST END IN
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Furnished Items: LOCKNUT
  • Surface Treatment: CADMIUM
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 5975-00-878-4872, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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
NSN5975-00-878-4872
Primary Part Number8321
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerAbb Installation Products Inc
StatusCANCELLED
End TypeCOMPRESSION RING AND NUT FIRST END
Style DesignatorSTRAIGHT
MaterialIRON MALLEABLE
Item Accommodated Trade Size1.000 INCHES FIRST END IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Furnished ItemsLOCKNUT
Surface TreatmentCADMIUM
Conduit Type AccommodatedRIGID METALLIC THICKWALL FIRST END
End TypeEXTERNAL THREAD SECOND END
Hazardous Locations/environmental ProtectionCEMENT TIGHT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-075-04362818 INTERCHANGEABLE
Seat,valve
Lawler Manufacturing Company, Inc.
4820-00-105-4355 INTERCHANGEABLE
Body and Slide,directional Contr
5120-00-169-2963HC403 INTERCHANGEABLE
Puller,wheel
Siemens Energy, Inc.
5920-00-519-6932 INTERCHANGEABLE
Fuse Link,electrical
2940-00-529-2738122-0037 INTERCHANGEABLE
Filter Element,fluid
Cummins Power Generation Inc.
5975-00-878-48738521 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5975-00-950-64098421 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5975-00-962-98918121 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5975-01-009-56158971 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5330-01-034-8788367444-1 INTERCHANGEABLE
Seal Assembly
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
Cross-Reference Index
Part NumberManufacturer
1752 Efcor Inc
8321 PRIMARY Abb Installation Products Inc (USA)
NTC-100 Egs Electrical Group Appleton Div (USA)
AS8384 Abb Installation Products Inc (USA)
HC-403 Abb Installation Products Inc (USA)
31-100 Egs Electric Co Llc (USA)
8321 Thomas and Betts Ltd (CAN)
367444-1 Naval Sea Systems Command (USA)
Related Parts
4820-00-075-0436INTERCHANGEABLE
SEAT,VALVE
2818
4820-00-105-4355INTERCHANGEABLE
BODY AND SLIDE,DIRECTIONAL CONTR
5120-00-169-2963INTERCHANGEABLE
PULLER,WHEEL
HC403
5920-00-519-6932INTERCHANGEABLE
FUSE LINK,ELECTRICAL
2940-00-529-2738INTERCHANGEABLE
FILTER ELEMENT,FLUID
122-0037
5975-00-878-4873INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8521
5975-00-950-6409INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8421
5975-00-962-9891INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8121
5975-01-009-5615INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8971
5330-01-034-8788INTERCHANGEABLE
SEAL ASSEMBLY
367444-1
2520-01-052-3557INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
6834679
6540-01-205-2319INTERCHANGEABLE
DYE SOLUTION,PLASTIC LENS,OPHTHA
30200

Frequently Asked Questions

What is NSN 5975-00-878-4872?

NSN 5975-00-878-4872 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 5975-00-878-4872?

NSN 5975-00-878-4872 has 8 cross-referenced part numbers: 1752 (Efcor Inc), 8321 (Abb Installation Products Inc), NTC-100 (Egs Electrical Group Appleton Div), AS8384 (Abb Installation Products Inc), HC-403 (Abb Installation Products Inc) and 3 more.

What NSN replaces 5975-00-878-4872?

There are 12 known substitutes for 5975-00-878-4872: 4820-00-075-0436, 4820-00-105-4355, 5120-00-169-2963 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8321?

Key specifications for 8321: End Type: COMPRESSION RING AND NUT FIRST END; Style Designator: STRAIGHT; Material: IRON MALLEABLE; Item Accommodated Trade Size: 1.000 INCHES FIRST END IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-878-4872 still in active supply?

NSN 5975-00-878-4872 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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