The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-045-0703, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5999-01-045-0703 |
| Primary Part Number | 12272730 |
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Unthreaded Mounting Hole Diameter | 0.080 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Nondefinitive Spec/std Data | GREY COLOR |
| Material | RUBBER SILICONE CLASS Q AND GLASS FIBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 12272730 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 30-763-512-01 | Meggitt (uk) Ltd Div Meggitt Sensing Systems (GBR) |
| Reference | Meaning |
|---|---|
| 7429G10-03 | 5/9 Secondary reference Henkel Corporation |
| 7403-09FR-03 | 3/9 Design control — primary reference Henkel Corporation |
| 10064063-101 | 5/2 Secondary reference U.S. Government activity |
| 13043023-1 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5999-01-045-0703 is a Heat Sink-Insulator, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-045-0703 has 2 manufacturer part numbers on file: 12272730 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 30-763-512-01 (Meggitt (uk) Ltd Div Meggitt Sensing Systems).
2 possible matches (shared part number, not a government interchangeability claim): 5999-01-077-6325, 5961-01-180-3287. Verify interchangeability with system specifications before substitution.
Key specifications for 12272730: Overall Height: 0.009 INCHES NOMINAL0.009 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.080 INCHES NOMINAL SECOND MOUNTING FACILITY IN; Unthreaded Mounting Hole Diameter: 0.140 INCHES NOMINAL FIRST MOUNTING FACILITY IN; Overall Length: 1.563 INCHES NOMINAL1.563 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.