PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ES9398-003CHeat Sink-Insulator

Drs Sustainment Systems Inc · NSN 5999-01-355-7022 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-355-7022 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-355-7022. Primary manufacturer part number: ES9398-003C.
Features
  • Heat Sink-Insulator — FSC 5999
  • Unthreaded Mounting Hole Diameter: 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Accommodated Device Mounting Hole Pattern Style: TWO HOLE - 0.075 INCH IN
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Material: METAL AND PLASTIC CELLULOSE NITRATE
  • Accommodated Device Mounting Hole Quantity: 2
  • Unthreaded Mounting Hole Diameter: 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Accommodated Device Mounting Hole Pattern Style: TWO HOLE - 0.075 INCH IN
Applications
  • Applications requiring Metal and Plastic Cellulose Nitrate construction
General Description

The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-355-7022, 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 Drs Sustainment Systems Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-355-7022
Primary Part NumberES9398-003C
Item NameHeat Sink-Insulator
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerDrs Sustainment Systems Inc
StatusACTIVE
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Accommodated Device Mounting Hole Pattern StyleTWO HOLE - 0.075 INCH IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
MaterialMETAL AND PLASTIC CELLULOSE NITRATE
Accommodated Device Mounting Hole Quantity2
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Accommodated Device Mounting Hole Pattern StyleTWO HOLE - 0.075 INCH IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
MaterialMETAL AND PLASTIC CELLULOSE NITRATE
Accommodated Device Mounting Hole Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 1
5120-01-611-3498452215 INTERCHANGEABLE
Contact Positioner,terminal Crim
Mac Panel Co
Cross-Reference Index
Part NumberManufacturer
ES9398-003C Drs Sustainment Systems Inc (USA)
K6-23 Henkel Corporation (USA)
ES9398-003C Drs Sustainment Systems, Inc. (USA)
Related Parts
5120-01-611-3498INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
452215

Frequently Asked Questions

What is NSN 5999-01-355-7022?

NSN 5999-01-355-7022 is a Heat Sink-Insulator, manufactured by Drs Sustainment Systems Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-355-7022?

NSN 5999-01-355-7022 has 3 cross-referenced part numbers: ES9398-003C (Drs Sustainment Systems Inc), K6-23 (Henkel Corporation), ES9398-003C (Drs Sustainment Systems, Inc.).

What NSN replaces 5999-01-355-7022?

There is 1 known substitute for 5999-01-355-7022: 5120-01-611-3498. Verify interchangeability with system specifications before substitution.

What are the specifications of ES9398-003C?

Key specifications for ES9398-003C: Unthreaded Mounting Hole Diameter: 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Accommodated Device Mounting Hole Pattern Style: TWO HOLE - 0.075 INCH IN; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Material: METAL AND PLASTIC CELLULOSE NITRATE. 10 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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