PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LB-350GConduit Outlet

Egs Electric Co Llc · NSN 5975-00-296-6991 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-296-6991 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-296-6991. Primary manufacturer part number: LB-350G.
Features
  • Conduit Outlet — FSC 5975
  • Nondefinitive Spec/std Data: 1 DESIGN AND LB STYLE AND 1 TYPE
  • Cover Opening Width: 4.500 INCHES NOMINAL IN
  • Material: IRON MALLEABLE OVERALL
  • Furnished Items: COVER MOUNTING SCREW
  • Style Designator: OBLONG
  • Functional Cover Style: BLANK
  • Cover Opening Length: 10.250 INCHES NOMINAL IN
Applications
  • Applications requiring Iron Malleable Overall construction
General Description

The Conduit Outlet, cataloged under National Stock Number 5975-00-296-6991, 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 Egs Electric Co Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-296-6991
Primary Part NumberLB-350G
Item NameConduit Outlet
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerEgs Electric Co Llc
StatusCANCELLED
Nondefinitive Spec/std Data1 DESIGN AND LB STYLE AND 1 TYPE
Cover Opening Width4.500 INCHES NOMINAL IN
MaterialIRON MALLEABLE OVERALL
Furnished ItemsCOVER MOUNTING SCREW
Style DesignatorOBLONG
Functional Cover StyleBLANK
Cover Opening Length10.250 INCHES NOMINAL IN
Conduit Trade Size Accommodated3.500 INCHES ALL ENTRANCE IN
Trade DesignationLB SERIES
Conduit Type AccommodatedRIGID METALLIC THICKWALL ALL ENTRANCE
Cover Mounting Gasket TypeSOLID CENTER
Hazardous Locations/environmental ProtectionCORROSION PROOF
Surface TreatmentCADMIUM AND ZINC OVERALL
Cover Mounting Surface TypeFLAT
Conduit Entrance TypeHUB DRILLED AND TAPPED ALL ENTRANCE
Cover Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
2530-00-272-7966860203 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Dana Off Highway Products, Llc
3120-00-468-96281570P INTERCHANGEABLE
Bearing,sleeve
Skf (uk) Ltd Div Aerospace Division - Clevedon
4130-00-497-8595ZSP9-099C3-3 INTERCHANGEABLE
Filter Element,air Conditioning
Star Cases Llc Dba Zero Manufacturing
6145-00-583-3828 INTERCHANGEABLE
Wire,electrical
4210-00-776-2942 INTERCHANGEABLE
Disk,nozzle
5975-00-852-4786 INTERCHANGEABLE
Conduit Outlet
5985-01-158-0053717754-4 INTERCHANGEABLE
Attenuator,fixed
Raytheon Company Div Rmd Strategic
4820-01-201-7803703-5-3 INTERCHANGEABLE
Disk,valve
Flowserve Corporation Div Flowserve Us Inc
3455-01-645-514315708 INTERCHANGEABLE
Blade,band Saw,metal Cutting
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
LB-350G Egs Electric Co Llc (USA)
LB350-M Egs Electrical Group Appleton Div (USA)
LB97 Crouse-Hinds Lighting (USA)
A-A-50563 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WC586 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
70-353 Efcor Inc
15708 Atlas Technologies Inc (USA)
480-112-M Atlas Technologies Inc (USA)
AA50563-101ALLBJ Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
LB69 Bridgeport Fittings Inc (USA)
LB97 Crouse-Hinds Co (USA)
Related Parts
2530-00-272-7966INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
860203
3120-00-468-9628INTERCHANGEABLE
BEARING,SLEEVE
1570P
4130-00-497-8595INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
ZSP9-099C3-3
6145-00-583-3828INTERCHANGEABLE
WIRE,ELECTRICAL
4210-00-776-2942INTERCHANGEABLE
DISK,NOZZLE
5975-00-852-4786INTERCHANGEABLE
CONDUIT OUTLET
5985-01-158-0053INTERCHANGEABLE
ATTENUATOR,FIXED
717754-4
4820-01-201-7803INTERCHANGEABLE
DISK,VALVE
703-5-3
3455-01-645-5143INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
15708

Frequently Asked Questions

What is NSN 5975-00-296-6991?

NSN 5975-00-296-6991 is a Conduit Outlet, manufactured by Egs Electric Co Llc, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-296-6991?

NSN 5975-00-296-6991 has 11 cross-referenced part numbers: LB-350G (Egs Electric Co Llc), LB350-M (Egs Electrical Group Appleton Div), LB97 (Crouse-Hinds Lighting), A-A-50563 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), WC586 (Federal Specifications Promulgated by General Services Administration Washington DC) and 6 more.

What NSN replaces 5975-00-296-6991?

There are 9 known substitutes for 5975-00-296-6991: 2530-00-272-7966, 3120-00-468-9628, 4130-00-497-8595 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LB-350G?

Key specifications for LB-350G: Nondefinitive Spec/std Data: 1 DESIGN AND LB STYLE AND 1 TYPE; Cover Opening Width: 4.500 INCHES NOMINAL IN; Material: IRON MALLEABLE OVERALL; Furnished Items: COVER MOUNTING SCREW. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-296-6991 still in active supply?

NSN 5975-00-296-6991 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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