The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-020-8328, 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 Telonic Berkeley, Inc. Dba Telonic Berkeley. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5999-00-020-8328 |
| Primary Part Number | 3AL635-4A |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Telonic Berkeley, Inc. Dba Telonic Berkeley |
| Status | CANCELLED |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material | ALUMINUM ALLOY |
| Material Document and Classification | QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.314 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material | ALUMINUM ALLOY |
| Material Document and Classification | QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.314 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Weight | 71.0000 lbs |
| Cube | 9.0000 cu ft |
| Part Number | Manufacturer |
|---|---|
| 3AL635-4A PRIMARY | Telonic Berkeley, Inc. Dba Telonic Berkeley (USA) |
| 276-024-0001 | Northrop Grumman Systems Corporation (USA) |
| 3AL-635-4A | Precise of California Div of Adjustable Bushing Corp (USA) |
| 352-9808-000 | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA) |
| 3AL-635-4A | Schroff Inc (USA) |
| 112-387-5 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 276-004-0005 | Northrop Grumman Systems Corporation (USA) |
| 104548 | L3harris Technologies, Inc. (USA) |
NSN 5999-00-020-8328 is a Heat Sink,electrical-Electronic, manufactured by Telonic Berkeley, Inc. Dba Telonic Berkeley, classified under FSC 5999 (No Item Name Available). Status: cancelled.
NSN 5999-00-020-8328 has 8 cross-referenced part numbers: 3AL635-4A (Telonic Berkeley, Inc. Dba Telonic Berkeley), 276-024-0001 (Northrop Grumman Systems Corporation), 3AL-635-4A (Precise of California Div of Adjustable Bushing Corp), 352-9808-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 3AL-635-4A (Schroff Inc) and 3 more.
There are 3 known substitutes for 5999-00-020-8328: 5360-00-254-1963, 5999-01-111-4879, 4730-01-421-5155. Verify interchangeability with system specifications before substitution.
Key specifications for 3AL635-4A: Overall Height: 0.250 INCHES NOMINAL IN; Overall Diameter: 0.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE; Material: ALUMINUM ALLOY. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5999-00-020-8328 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.