PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C22Box Connector,electrical

Steel Electric Products Co Inc · NSN 5975-01-037-8929 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-01-037-8929 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-037-8929. Primary manufacturer part number: C22.
Features
  • Box Connector,electrical — FSC 5975
  • Style Designator: SET SCREW
  • Thread Series Designator: NPT SECOND END
  • Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END
  • Material: IRON MALLEABLE
  • Item Accommodated Trade Size: 0.375 INCHES FIRST END IN
  • End Type: EXTERNAL THREAD SECOND END
  • Furnished Items: LOCKNUT
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 5975-01-037-8929, 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 Steel Electric Products Co Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-01-037-8929
Primary Part NumberC22
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerSteel Electric Products Co Inc
StatusCANCELLED
Style DesignatorSET SCREW
Thread Series DesignatorNPT SECOND END
Conduit Type AccommodatedFLEXIBLE METALLIC FIRST END
MaterialIRON MALLEABLE
Item Accommodated Trade Size0.375 INCHES FIRST END IN
End TypeEXTERNAL THREAD SECOND END
Furnished ItemsLOCKNUT
End TypeSCREW CLAMP FIRST END
Nominal Thread Size0.375 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6740-00-174-3491 INTERCHANGEABLE
Processing Machine,photographic
7520-00-285-17727000042986 INTERCHANGEABLE
Dispenser,pressure Sensitive Adh
3m Company
5360-00-394-7305C22 INTERCHANGEABLE
Spring Assembly,pawl
Butterworth, Inc.
5307-00-424-0562 INTERCHANGEABLE
Stud,plain
5315-00-579-6161DRA40577 INTERCHANGEABLE
Pin,tapered,plain
Unisys Corporation Dba Unisys Corp
6750-00-680-7877 INTERCHANGEABLE
Chemical Kit,photographic Color
5930-01-082-9822C220 INTERCHANGEABLE
Push Button
Te Connectivity Corporation
4730-01-241-2927352 990 00 71 INTERCHANGEABLE
Elbow,tube to Boss
Daimler Truck North America Llc
4730-01-242-2860003 990 03 70 INTERCHANGEABLE
Tee,tube to Boss
Daimler Truck North America Llc
5950-01-318-5373668-0261-060 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
C22 PRIMARY Steel Electric Products Co Inc (USA)
E40-300 Northrop Grumman Systems Corporation (USA)
7226V Egs Electrical Group Appleton Div (USA)
Related Parts
6740-00-174-3491INTERCHANGEABLE
PROCESSING MACHINE,PHOTOGRAPHIC
7520-00-285-1772INTERCHANGEABLE
DISPENSER,PRESSURE SENSITIVE ADH
7000042986
5360-00-394-7305INTERCHANGEABLE
SPRING ASSEMBLY,PAWL
C22
5307-00-424-0562INTERCHANGEABLE
STUD,PLAIN
5315-00-579-6161INTERCHANGEABLE
PIN,TAPERED,PLAIN
DRA40577
6750-00-680-7877INTERCHANGEABLE
CHEMICAL KIT,PHOTOGRAPHIC COLOR
5930-01-082-9822INTERCHANGEABLE
PUSH BUTTON
C220
4730-01-241-2927INTERCHANGEABLE
ELBOW,TUBE TO BOSS
352 990 00 71
4730-01-242-2860INTERCHANGEABLE
TEE,TUBE TO BOSS
003 990 03 70
5950-01-318-5373INTERCHANGEABLE
REACTOR
668-0261-060
5340-01-414-0166INTERCHANGEABLE
CLEVIS,ROD END

Frequently Asked Questions

What is NSN 5975-01-037-8929?

NSN 5975-01-037-8929 is a Box Connector,electrical, manufactured by Steel Electric Products Co Inc, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-01-037-8929?

NSN 5975-01-037-8929 has 3 cross-referenced part numbers: C22 (Steel Electric Products Co Inc), E40-300 (Northrop Grumman Systems Corporation), 7226V (Egs Electrical Group Appleton Div).

What NSN replaces 5975-01-037-8929?

There are 11 known substitutes for 5975-01-037-8929: 6740-00-174-3491, 7520-00-285-1772, 5360-00-394-7305 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C22?

Key specifications for C22: Style Designator: SET SCREW; Thread Series Designator: NPT SECOND END; Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END; Material: IRON MALLEABLE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-01-037-8929 still in active supply?

NSN 5975-01-037-8929 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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