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NSN 5999-01-007-6771Government record, cited
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Heat Sink, Electrical-Electronic5999-01-007-6771

NSN 5999-01-007-6771 · NIIN 010076771 · Part number 128C222H09
Northrop Grumman Support Services Corp · FSC 5999 — Miscellaneous Electrical and Electronic Components · FSG 59 — Electrical and Electronic Equipment Components · CAGE 48306
Government record, cited
NSN 5999-01-007-6771 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-007-6771. Manufacturer of record part number: 128C222H09.
Also searched as  5999-01-007-6771 · 5999010076771 · NIIN 010076771 · 01-007-6771 · FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 48306 · 128C222H09 · NC-403-AA
Nearby stock numbers  ·
Features
  • Heat Sink,electrical-Electronic — FSC 5999
  • Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
  • Material Document and Classification: QQ-A-274 FED SPEC SINGLE MATERIAL RESPONSE
  • Surface Treatment: ANODIZE
  • Material: ALUMINUM
  • 1 manufacturer part number on file
  • Manufacturer of record: Northrop Grumman Support Services Corp
Identification
  • NSN: 5999-01-007-6771
  • NIIN: 010076771
  • FSC: 5999 — Miscellaneous Electrical and Electronic Components
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 128C222H09
  • Manufacturer: Northrop Grumman Support Services Corp
General Description

The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-007-6771, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5999-01-007-6771
Primary Part Number128C222H09
Item NameHeat Sink,electrical-Electronic
FSC / FSG5999 / 59 — Miscellaneous Electrical and Electronic Components
ManufacturerNorthrop Grumman Support Services Corp
StatusACTIVE
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
Material Document and ClassificationQQ-A-274 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentANODIZE
MaterialALUMINUM
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Weight0.0100 lbs
Cube0.0010 cu ft
Cross-Reference Index
Part NumberManufacturer
128C222H09 PRIMARY Northrop Grumman Support Services Corp (USA)
Reference documents
ReferenceMeaning
128C222H09 3/9 Design control — primary reference
U.S. Government activity
NC-403-AA 5/9 Secondary reference
Eg and G Wakefield Engineering
No interchangeability data on file.
Other items in FSC 5999 — Miscellaneous Electrical and Electronic Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5999-00-001-1345
5999-00-001-1345 · Item name not on file
5999-00-001-1346
5999-00-001-1346 · Item name not on file
5999-00-001-1348
5999-00-001-1348 · Item name not on file
5999-00-001-1349
5999-00-001-1349 · Item name not on file
5999-00-001-1355
5999-00-001-1355 · Item name not on file
5999-00-001-1623
5999-00-001-1623 · Item name not on file
5999-00-001-2537
5999-00-001-2537 · Item name not on file
5999-00-001-2539
5999-00-001-2539 · Item name not on file

Frequently Asked Questions

What is NSN 5999-01-007-6771?

NSN 5999-01-007-6771 is a Heat Sink,electrical-Electronic, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.

What part numbers are listed for NSN 5999-01-007-6771?

NSN 5999-01-007-6771 has 1 manufacturer part number on file: 128C222H09 (Northrop Grumman Support Services Corp).

What are the specifications of 128C222H09?

Key specifications for 128C222H09: Overall Height: 1.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-A-274 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 4.750 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5999-01-007-6771 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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