PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251-1Box Connector,electrical

Bridgeport Fittings Inc · NSN 5975-01-038-2287 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-01-038-2287 — this item is cataloged by the U.S. Government under National Stock Number 5975-01-038-2287. Primary manufacturer part number: 251-1.
Features
  • Box Connector,electrical — FSC 5975
  • Item Accommodated Trade Size: 0.750 INCHES FIRST END IN
  • Hazardous Locations/environmental Protection: CEMENT TIGHT AND RAINTIGHT
  • Furnished Items: INSULATED BUSHING AND LOCKNUT
  • End Type: COMPRESSION RING AND NUT FIRST END
  • End Type: EXTERNAL THREAD SECOND END
  • Conduit Type Accommodated: RIGID METALLIC THINWALL FIRST END
  • Material: ZINC ALLOY
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
  • Applications requiring Zinc Alloy construction
General Description

The Box Connector,electrical, cataloged under National Stock Number 5975-01-038-2287, 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 Bridgeport Fittings Inc. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-01-038-2287
Primary Part Number251-1
Item NameBox Connector,electrical
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerBridgeport Fittings Inc
StatusACTIVE
Item Accommodated Trade Size0.750 INCHES FIRST END IN
Hazardous Locations/environmental ProtectionCEMENT TIGHT AND RAINTIGHT
Furnished ItemsINSULATED BUSHING AND LOCKNUT
End TypeCOMPRESSION RING AND NUT FIRST END
End TypeEXTERNAL THREAD SECOND END
Conduit Type AccommodatedRIGID METALLIC THINWALL FIRST END
MaterialZINC ALLOY
Style DesignatorSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1010-00-158-0590345673PC5 INTERCHANGEABLE
Shaft
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-221-78692813 INTERCHANGEABLE
Transformer,power
Inrcore, Llc Div Inrcore
5930-00-259-5640259-9611-040 INTERCHANGEABLE
Switch,code Indicating Wheel
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5342-00-411-57742813 INTERCHANGEABLE
Table Top
Contraves Inc
5935-00-431-04402813 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
4510-00-464-31842813 INTERCHANGEABLE
Flushing Unit,toilet
Mag Aerospace Industries, Llc Div Safran Cabins
3610-00-773-5656 INTERCHANGEABLE
Bracket,plate Suppo
2520-00-858-4347972681R91 INTERCHANGEABLE
Parts Kit,slave Cylinder Clutch
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
7450-01-083-97602813 INTERCHANGEABLE
Recorder-Reproducer,sound
Dictaphone Corporation
5935-01-114-8827 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
251-1 Bridgeport Fittings Inc (USA)
751BDC Efcor Inc
2813 Raco, a Division of Hubbell Incorporated(delaware) (USA)
Related Parts
1010-00-158-0590INTERCHANGEABLE
SHAFT
345673PC5
5950-00-221-7869INTERCHANGEABLE
TRANSFORMER,POWER
2813
5930-00-259-5640INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
259-9611-040
5342-00-411-5774INTERCHANGEABLE
TABLE TOP
2813
5935-00-431-0440INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2813
4510-00-464-3184INTERCHANGEABLE
FLUSHING UNIT,TOILET
2813
3610-00-773-5656INTERCHANGEABLE
BRACKET,PLATE SUPPO
2520-00-858-4347INTERCHANGEABLE
PARTS KIT,SLAVE CYLINDER CLUTCH
972681R91
7450-01-083-9760INTERCHANGEABLE
RECORDER-REPRODUCER,SOUND
2813
5935-01-114-8827INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3510-01-140-8694INTERCHANGEABLE
GEARCASE COVER ASSEMBLY
2-813
6515-01-586-5247INTERCHANGEABLE
STETHOSCOPE
2813

Frequently Asked Questions

What is NSN 5975-01-038-2287?

NSN 5975-01-038-2287 is a Box Connector,electrical, manufactured by Bridgeport Fittings Inc, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-01-038-2287?

NSN 5975-01-038-2287 has 3 cross-referenced part numbers: 251-1 (Bridgeport Fittings Inc), 751BDC (Efcor Inc), 2813 (Raco, a Division of Hubbell Incorporated(delaware)).

What NSN replaces 5975-01-038-2287?

There are 12 known substitutes for 5975-01-038-2287: 1010-00-158-0590, 5950-00-221-7869, 5930-00-259-5640 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 251-1?

Key specifications for 251-1: Item Accommodated Trade Size: 0.750 INCHES FIRST END IN; Hazardous Locations/environmental Protection: CEMENT TIGHT AND RAINTIGHT; Furnished Items: INSULATED BUSHING AND LOCKNUT; End Type: COMPRESSION RING AND NUT FIRST END. 8 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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