PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

503638-1Heat Sink,electrical-Electronic

Aimtron Systems, Llc · NSN 5999-01-122-1463 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-122-1463 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-122-1463. Primary manufacturer part number: 503638-1.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Mounting Facility Type and Quantity: 4 SLOT SINGLE MOUNTING FACILITY
  • Surface Treatment: ANODIZE
  • Material Document and Classification: QQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
  • Material: ALUMINUM ALLOY 6063
  • Mounting Facility Type and Quantity: 4 SLOT SINGLE MOUNTING FACILITY
  • Surface Treatment: ANODIZE
Applications
  • Applications requiring Aluminum Alloy 6063 construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-122-1463, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Aimtron Systems, Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-122-1463
Primary Part Number503638-1
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerAimtron Systems, Llc
StatusACTIVE
Mounting Facility Type and Quantity4 SLOT SINGLE MOUNTING FACILITY
Surface TreatmentANODIZE
Material Document and ClassificationQQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY 6063
Mounting Facility Type and Quantity4 SLOT SINGLE MOUNTING FACILITY
Surface TreatmentANODIZE
Material Document and ClassificationQQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialALUMINUM ALLOY 6063
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0800 lbs
Cube0.0093 cu ft
Verified Substitutes 4
6145-00-144-09183124CCB INTERCHANGEABLE
Cable,special Purpose,electrical
Coleman Cable Inc. Div Texarkana Plant
5999-01-052-8099951347-1 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5999-01-122-1464503638-2 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Aimtron Systems, Llc
5999-01-280-264564224 INTERCHANGEABLE
Head,tuning
Scientific Atlanta Inc
Cross-Reference Index
Part NumberManufacturer
503638-1 Cardion Inc (USA)
5961PL0801852 Jednolity Indeks Materialowy - Uniform Material Index (POL)
NC-423 Eg and G Wakefield Engineering (USA)
503638-1 PRIMARY Aimtron Systems, Llc (USA)
423 Eg and G Wakefield Engineering (USA)
503638-1 Eg and G Wakefield Engineering (USA)
Related Parts
6145-00-144-0918INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
3124CCB
5999-01-052-8099INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
951347-1
5999-01-122-1464INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
503638-2
5999-01-280-2645INTERCHANGEABLE
HEAD,TUNING
64224

Frequently Asked Questions

What is NSN 5999-01-122-1463?

NSN 5999-01-122-1463 is a Heat Sink,electrical-Electronic, manufactured by Aimtron Systems, Llc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-122-1463?

NSN 5999-01-122-1463 has 6 cross-referenced part numbers: 503638-1 (Cardion Inc), 5961PL0801852 (Jednolity Indeks Materialowy - Uniform Material Index), NC-423 (Eg and G Wakefield Engineering), 503638-1 (Aimtron Systems, Llc), 423 (Eg and G Wakefield Engineering) and 1 more.

What NSN replaces 5999-01-122-1463?

There are 4 known substitutes for 5999-01-122-1463: 6145-00-144-0918, 5999-01-052-8099, 5999-01-122-1464 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 503638-1?

Key specifications for 503638-1: Mounting Facility Type and Quantity: 4 SLOT SINGLE MOUNTING FACILITY; Surface Treatment: ANODIZE; Material Document and Classification: QQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE. 16 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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