The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-380-3171, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 14 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-380-3171 |
| Primary Part Number | 1737AS30270-3 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Unthreaded Mounting Hole Diameter | 0.377 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.515 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Surface Treatment | CHROMATE |
| Material | METAL |
| Unthreaded Mounting Hole Diameter | 0.377 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.515 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Surface Treatment | CHROMATE |
| Material | METAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | J |
| Part Number | Manufacturer |
|---|---|
| 30270-3 | Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems (USA) |
| 1737AS30270-3 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 30270-3 | Unitron Inc (USA) |
NSN 5999-01-380-3171 is a Heat Sink,electrical-Electronic, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5999 (No Item Name Available). Status: active.
NSN 5999-01-380-3171 has 3 cross-referenced part numbers: 30270-3 (Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems), 1737AS30270-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 30270-3 (Unitron Inc).
There are 4 known substitutes for 5999-01-380-3171: 3120-00-126-7406, 4730-00-164-0697, 3110-00-516-5289 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1737AS30270-3: Unthreaded Mounting Hole Diameter: 0.377 INCHES NOMINAL FIRST MOUNTING FACILITY IN; Surface Treatment Document and Classification: MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY. 16 total characteristics are documented in the Federal Logistics Information System.