PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TXP0511NDHeat Sink,electrical-Electronic

Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components · NSN 5999-00-575-3957 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-575-3957 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-575-3957. Primary manufacturer part number: TXP0511ND.
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE
  • Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: NICKEL
  • Material: COPPER ALLOY
  • Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE
  • Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: NICKEL
Applications
  • Applications requiring Copper Alloy construction
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-575-3957, 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 Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-575-3957
Primary Part NumberTXP0511ND
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
StatusACTIVE
Surface Treatment Document and ClassificationQQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentNICKEL
MaterialCOPPER ALLOY
Surface Treatment Document and ClassificationQQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentNICKEL
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight5.3333 lbs
Cube0.0093 cu ft
Verified Substitutes 2
5961-00-911-3461 INTERCHANGEABLE
Retainer,semiconductor Device
5962-01-387-87053327741 INTERCHANGEABLE
Microcircuit,digital
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Cross-Reference Index
Part NumberManufacturer
PXP0511ND Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components (USA)
TXP0511ND PRIMARY Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components (USA)
329528-3 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
332774-1 Raytheon Company Div Corp (USA)
Related Parts
5961-00-911-3461INTERCHANGEABLE
RETAINER,SEMICONDUCTOR DEVICE
5962-01-387-8705INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3327741

Frequently Asked Questions

What is NSN 5999-00-575-3957?

NSN 5999-00-575-3957 is a Heat Sink,electrical-Electronic, manufactured by Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-575-3957?

NSN 5999-00-575-3957 has 4 cross-referenced part numbers: PXP0511ND (Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components), TXP0511ND (Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components), 329528-3 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 332774-1 (Raytheon Company Div Corp).

What NSN replaces 5999-00-575-3957?

There are 2 known substitutes for 5999-00-575-3957: 5961-00-911-3461, 5962-01-387-8705. Verify interchangeability with system specifications before substitution.

What are the specifications of TXP0511ND?

Key specifications for TXP0511ND: Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE; Surface Treatment: NICKEL; Material: COPPER ALLOY. 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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