PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LR777Conduit Outlet

Crouse-Hinds Co · NSN 5975-00-548-8919 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-548-8919 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-548-8919. Primary manufacturer part number: LR777.
Features
  • Conduit Outlet — FSC 5975
  • Furnished Items: COVER MOUNTING SCREW
  • Style Designator: OBLONG
  • Conduit Entrance Type: HUB DRILLED AND TAPPED ALL ENTRANCE
  • Material: IRON MALLEABLE OVERALL
  • Cover Opening Width: 3.562 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM AND ZINC OVERALL
  • Cover Mounting Gasket Type: SOLID CENTER
Applications
  • Applications requiring Iron Malleable Overall construction
General Description

The Conduit Outlet, cataloged under National Stock Number 5975-00-548-8919, 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 Crouse-Hinds Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-548-8919
Primary Part NumberLR777
Item NameConduit Outlet
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerCrouse-Hinds Co
StatusCANCELLED
Furnished ItemsCOVER MOUNTING SCREW
Style DesignatorOBLONG
Conduit Entrance TypeHUB DRILLED AND TAPPED ALL ENTRANCE
MaterialIRON MALLEABLE OVERALL
Cover Opening Width3.562 INCHES NOMINAL IN
Surface TreatmentCADMIUM AND ZINC OVERALL
Cover Mounting Gasket TypeSOLID CENTER
Cover Mounting Surface TypeFLAT
Trade DesignationLR SERIES FORM 7
Conduit Trade Size Accommodated2.500 INCHES ALL ENTRANCE IN
Functional Cover StyleBLANK
Conduit Type AccommodatedRIGID METALLIC THICKWALL ALL ENTRANCE
Cover Quantity1
Nondefinitive Spec/std Data1 DESIGN AND L STYLE AND 1 TYPE
Cover Opening Length8.375 INCHES NOMINAL IN
Hazardous Locations/environmental ProtectionCORROSION PROOF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5950-00-004-7597920011-5 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5950-00-396-6421T0255A INTERCHANGEABLE
Transformer,power
Itw Gse Inc.
6105-00-493-33137025-5 INTERCHANGEABLE
Motor,alternating Current
Western Sky Industries Inc Dba Electromech Techologies
3413-01-253-807170-255 INTERCHANGEABLE
Drilling Machine,upright
Delta Intl Machinery Corp
5120-01-434-9603 INTERCHANGEABLE
Punch,prick
2530-01-547-9266119-2167 INTERCHANGEABLE
Actuator,spring Brake
Caterpillar Inc Div Caterpillar Defense
4820-01-583-652870255 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Applied Companies
2530-01-666-989270255 INTERCHANGEABLE
Ring,lock,automotive Wheel
Hutchinson Industries, Inc Div Defense and Industry
4210-01-695-125070-255 INTERCHANGEABLE
Cylinder,fire Extinguisher
Fike Corporation
7021-01-714-762070-255 INTERCHANGEABLE
Computer,digital
Hii Unmanned Systems, Inc
Cross-Reference Index
Part NumberManufacturer
LR777 Crouse-Hinds Co (USA)
LR-250G General Signal Corp O Z/gedney Co Unit (USA)
AA50563-101ALLRG Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-50563 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
LR-250W/COVER Egs Electric Co Llc (USA)
LL250-M Egs Electrical Group Appleton Div (USA)
70-255 Efcor Inc
WC586 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
LR-250G Egs Electric Co Llc (USA)
LR777W/COVER Crouse-Hinds Co (USA)
LR67 Bridgeport Fittings Inc (USA)
LR777 Crouse-Hinds Lighting (USA)
Related Parts
5950-00-004-7597INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-5
5950-00-396-6421INTERCHANGEABLE
TRANSFORMER,POWER
T0255A
6105-00-493-3313INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
7025-5
3413-01-253-8071INTERCHANGEABLE
DRILLING MACHINE,UPRIGHT
70-255
5120-01-434-9603INTERCHANGEABLE
PUNCH,PRICK
2530-01-547-9266INTERCHANGEABLE
ACTUATOR,SPRING BRAKE
119-2167
4820-01-583-6528INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
70255
2530-01-666-9892INTERCHANGEABLE
RING,LOCK,AUTOMOTIVE WHEEL
70255
4210-01-695-1250INTERCHANGEABLE
CYLINDER,FIRE EXTINGUISHER
70-255
7021-01-714-7620INTERCHANGEABLE
COMPUTER,DIGITAL
70-255

Frequently Asked Questions

What is NSN 5975-00-548-8919?

NSN 5975-00-548-8919 is a Conduit Outlet, manufactured by Crouse-Hinds Co, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-548-8919?

NSN 5975-00-548-8919 has 12 cross-referenced part numbers: LR777 (Crouse-Hinds Co), LR-250G (General Signal Corp O Z/gedney Co Unit), AA50563-101ALLRG (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-50563 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), LR-250W/COVER (Egs Electric Co Llc) and 7 more.

What NSN replaces 5975-00-548-8919?

There are 10 known substitutes for 5975-00-548-8919: 5950-00-004-7597, 5950-00-396-6421, 6105-00-493-3313 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LR777?

Key specifications for LR777: Overall Depth: 3.625 INCHES NOMINAL IN; Furnished Items: COVER MOUNTING SCREW; Style Designator: OBLONG; Conduit Entrance Type: HUB DRILLED AND TAPPED ALL ENTRANCE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-548-8919 still in active supply?

NSN 5975-00-548-8919 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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