PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

279Box Connector,electrical

Abb Installation Products Inc · NSN 5975-00-722-8421 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-722-8421 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-722-8421. Primary manufacturer part number: 279.
Features
  • Box Connector,electrical — FSC 5975
  • End Type: EXTERNAL THREAD SECOND END
  • Surface Treatment: CADMIUM
  • Item Accommodated Trade Size: 0.750 INCHES FIRST END IN
  • Thread Series Designator: NPT SECOND END
  • Furnished Items: LOCKNUT
  • Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END
  • Style Designator: ANGLE SQUEEZE
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Steel construction
General Description

The Box Connector,electrical, cataloged under National Stock Number 5975-00-722-8421, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-00-722-8421
Primary Part Number279
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerAbb Installation Products Inc
StatusACTIVE
End TypeEXTERNAL THREAD SECOND END
Surface TreatmentCADMIUM
Item Accommodated Trade Size0.750 INCHES FIRST END IN
Thread Series DesignatorNPT SECOND END
Furnished ItemsLOCKNUT
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
Style DesignatorANGLE SQUEEZE
Deflection Angle90.0 DEGREES
MaterialSTEEL
Nominal Thread Size0.750 INCHES SECOND END IN
End TypeHINGED STRAP FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6640-00-045-4900279 INTERCHANGEABLE
Head,laboratory Centrifuge
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
3110-00-100-0704279 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5360-00-249-8295 INTERCHANGEABLE
Spring,helical,torsion
5999-00-319-14359723629G2 INTERCHANGEABLE
Contact,electrical
General Electric Company
5331-00-579-8108124A745 INTERCHANGEABLE
O-Ring
Meggitt Troy Inc
5935-00-655-41682564490 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5920-00-893-283114480 INTERCHANGEABLE
Discharger,electrostatic,aircraf
Dayton-Granger, Inc.
5935-00-999-6908 INTERCHANGEABLE
Connector,receptacle,electrical
4510-01-052-2809 INTERCHANGEABLE
Breaker,vacuum,flush Valve
5210-01-113-80746432 INTERCHANGEABLE
Gage Set,timing
Central Tools, Inc.
Cross-Reference Index
Part NumberManufacturer
279 PRIMARY Abb Installation Products Inc (USA)
ACV-51 Egs Electric Co Llc (USA)
Related Parts
6640-00-045-4900INTERCHANGEABLE
HEAD,LABORATORY CENTRIFUGE
279
3110-00-100-0704INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
279
5360-00-249-8295INTERCHANGEABLE
SPRING,HELICAL,TORSION
5999-00-319-1435INTERCHANGEABLE
CONTACT,ELECTRICAL
9723629G2
5331-00-579-8108INTERCHANGEABLE
O-RING
124A745
5935-00-655-4168INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2564490
5920-00-893-2831INTERCHANGEABLE
DISCHARGER,ELECTROSTATIC,AIRCRAF
14480
5935-00-999-6908INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4510-01-052-2809INTERCHANGEABLE
BREAKER,VACUUM,FLUSH VALVE
5210-01-113-8074INTERCHANGEABLE
GAGE SET,TIMING
6432
5935-01-152-1894INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3530-01-192-3000INTERCHANGEABLE
HOOK ASSEMBLY
C199R279

Frequently Asked Questions

What is NSN 5975-00-722-8421?

NSN 5975-00-722-8421 is a Box Connector,electrical, manufactured by Abb Installation Products Inc, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-722-8421?

NSN 5975-00-722-8421 has 2 cross-referenced part numbers: 279 (Abb Installation Products Inc), ACV-51 (Egs Electric Co Llc).

What NSN replaces 5975-00-722-8421?

There are 12 known substitutes for 5975-00-722-8421: 6640-00-045-4900, 3110-00-100-0704, 5360-00-249-8295 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 279?

Key specifications for 279: End Type: EXTERNAL THREAD SECOND END; Surface Treatment: CADMIUM; Item Accommodated Trade Size: 0.750 INCHES FIRST END IN; Thread Series Designator: NPT SECOND END. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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