PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GE520G4Retainer-Ejector,electrical Card

Northrop Grumman Systems Corporation · NSN 5998-01-249-2079 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-249-2079 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-249-2079. Primary manufacturer part number: GE520G4.
Features
  • Retainer-Ejector,electrical Card — FSC 5998
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
  • Unthreaded Mounting Hole Diameter: 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Material Document and Classification: QQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE
  • Material: ALUMINUM ALLOY 6063
  • Surface Treatment: ANODIZE
  • Color: BLACK
Applications
  • Applications requiring Aluminum Alloy 6063 construction
General Description

The Retainer-Ejector,electrical Card, cataloged under National Stock Number 5998-01-249-2079, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 14 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-249-2079
Primary Part NumberGE520G4
Item NameRetainer-Ejector,electrical Card
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
Unthreaded Mounting Hole Diameter0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Material Document and ClassificationQQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE
MaterialALUMINUM ALLOY 6063
Surface TreatmentANODIZE
ColorBLACK
ColorBLACK
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
Unthreaded Mounting Hole Diameter0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Material Document and ClassificationQQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE
MaterialALUMINUM ALLOY 6063
Surface TreatmentANODIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0250 lbs
Cube0.0006 cu ft
Verified Substitutes 12
4920-00-015-28677343 INTERCHANGEABLE
Cable Assy Intercom
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
5950-00-070-8105580R157H01 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4510-00-110-3746 INTERCHANGEABLE
Repair Kit,faucets
9540-00-197-9860734-3 INTERCHANGEABLE
Angle,structural
Aluminum Co of America
5120-00-215-2289PWA7343 INTERCHANGEABLE
Wrench,front Access
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5950-00-229-6067195714PC7 INTERCHANGEABLE
Coil,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-243-1613247ASC0234-001 INTERCHANGEABLE
Connector,plug,electrical
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
9540-00-251-2578 INTERCHANGEABLE
Angle,structural
4710-00-303-66367343 INTERCHANGEABLE
Tube,metallic
The Boeing Company Div Defense
5970-00-405-8118SC-D-19572-12 INTERCHANGEABLE
Insulator,bowl
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
GE520G4 PRIMARY Northrop Grumman Systems Corporation (USA)
73-4-3 Schroff Inc (USA)
Related Parts
4920-00-015-2867INTERCHANGEABLE
CABLE ASSY INTERCOM
7343
5950-00-070-8105INTERCHANGEABLE
TRANSFORMER,POWER
580R157H01
4510-00-110-3746INTERCHANGEABLE
REPAIR KIT,FAUCETS
9540-00-197-9860INTERCHANGEABLE
ANGLE,STRUCTURAL
734-3
5120-00-215-2289INTERCHANGEABLE
WRENCH,FRONT ACCESS
PWA7343
5950-00-229-6067INTERCHANGEABLE
COIL,ELECTRICAL
195714PC7
5935-00-243-1613INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
247ASC0234-001
9540-00-251-2578INTERCHANGEABLE
ANGLE,STRUCTURAL
4710-00-303-6636INTERCHANGEABLE
TUBE,METALLIC
7343
5970-00-405-8118INTERCHANGEABLE
INSULATOR,BOWL
SC-D-19572-12
9540-00-529-9903INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-542-2711INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 5998-01-249-2079?

NSN 5998-01-249-2079 is a Retainer-Ejector,electrical Card, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-249-2079?

NSN 5998-01-249-2079 has 2 cross-referenced part numbers: GE520G4 (Northrop Grumman Systems Corporation), 73-4-3 (Schroff Inc).

What NSN replaces 5998-01-249-2079?

There are 12 known substitutes for 5998-01-249-2079: 4920-00-015-2867, 5950-00-070-8105, 4510-00-110-3746 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GE520G4?

Key specifications for GE520G4: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE; Unthreaded Mounting Hole Diameter: 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN; Overall Height: 0.310 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY. 22 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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