The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-00-831-8839, 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 Herley Chicago Dba Stewart Warner Electronics. This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5999-00-831-8839 |
| Primary Part Number | 91P236853 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Herley Chicago Dba Stewart Warner Electronics |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| Successor | 5999-01-209-0651 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 91P236853 | Herley Chicago Dba Stewart Warner Electronics (USA) |
| 680-1-25 | Eg and G Wakefield Engineering (USA) |
| NC680-1-25A | Eg and G Wakefield Engineering (USA) |
| 138C040H04 | Northrop Grumman Support Services Corp (USA) |
| 138C040H04 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 58B48-10 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 60792-1 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 10682744-2 | Us Army Aviation and Missile Command (USA) |
| 60792-1 | L3harris Technologies, Inc. (USA) |
| 2110-G1 | Eg and G Wakefield Engineering (USA) |
NSN 5999-00-831-8839 is a Heat Sink,electrical-Electronic, manufactured by Herley Chicago Dba Stewart Warner Electronics, classified under FSC 5999 (No Item Name Available). Status: active.
NSN 5999-00-831-8839 has 10 cross-referenced part numbers: 91P236853 (Herley Chicago Dba Stewart Warner Electronics), 680-1-25 (Eg and G Wakefield Engineering), NC680-1-25A (Eg and G Wakefield Engineering), 138C040H04 (Northrop Grumman Support Services Corp), 138C040H04 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 5 more.
There are 3 known substitutes for 5999-00-831-8839: 5999-01-209-0651, 5999-00-235-8488, 1660-00-887-6886. Verify interchangeability with system specifications before substitution.
Key specifications for 91P236853: Special Features: ALUMINUM PER MIL-A-12543,BLACK ANODIZE FINISH PER MIL-A-8625; 1.810 IN. LG; 1.810 IN. W; 1.250 IN. H; FOUR 0.147 IN. DIA MTG HOLES SPACED 1.500 IN. BY 1.500 IN. C TO C IN; Special Features: ALUMINUM PER MIL-A-12543,BLACK ANODIZE FINISH PER MIL-A-8625; 1.810 IN. LG; 1.810 IN. W; 1.250 IN. H; FOUR 0.147 IN. DIA MTG HOLES SPACED 1.500 IN. BY 1.500 IN. C TO C IN. 2 total characteristics are documented in the Federal Logistics Information System.