The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-105-4991, 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 Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-105-4991 |
| Primary Part Number | 2270148-0001 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | CANCELLED |
| Body Style | THERMAL LINK |
| Material | COPPER ALLOY |
| Unthreaded Mounting Hole Diameter | 0.097 INCHES MINIMUM AND 0.113 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Surface Treatment | CHROMATE |
| Specification/standard Data | 81349-MIL-H-87111/2 GOVERNMENT SPECIFICATION |
| Test Data Document | 81349-MIL-H-87111 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-C-810121 MIL SPEC SINGLE MATERIAL RESPONSE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| Body Style | THERMAL LINK |
| Material | COPPER ALLOY |
| Unthreaded Mounting Hole Diameter | 0.097 INCHES MINIMUM AND 0.113 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Surface Treatment | CHROMATE |
| Specification/standard Data | 81349-MIL-H-87111/2 GOVERNMENT SPECIFICATION |
| Test Data Document | 81349-MIL-H-87111 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OR MIL-C-810121 MIL SPEC SINGLE MATERIAL RESPONSE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | N |
| Unit of Issue | EA |
| SMR Code | JZ |
| Weight | 0.0100 lbs |
| Cube | 0.0006 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2270148-0001 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| 2469816-3 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 7736738-2 | Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA) |
| 1205-0030 | Hewlett-Packard Company Dba HP (USA) |
| 5999011054991 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MIL-H-87111 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M87111/2-2-02B | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M87111-2-2B02 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 9147C2001 | Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA) |
| MIL-H-87111/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 7736738P2 | Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA) |
| 7736738P0002 | Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA) |
| TXBE032-031B | Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components (USA) |
| M87111/02-2B02 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 9147C2001 | Lockheed Corp Lockheed Electronics Co Inc (USA) |
| 5999007581996 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 11240551 | Us Army Aviation and Missile Command (USA) |
NSN 5999-01-105-4991 is a Heat Sink,electrical-Electronic, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5999 (No Item Name Available). Status: cancelled.
NSN 5999-01-105-4991 has 17 cross-referenced part numbers: 2270148-0001 (Honeywell Intl Inc Defense Avionics Systems), 2469816-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 7736738-2 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), 1205-0030 (Hewlett-Packard Company Dba HP), 5999011054991 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 12 more.
There are 12 known substitutes for 5999-01-105-4991: 5999-00-758-1996, 5999-01-395-2474, 5999-01-173-3176 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2270148-0001: Body Style: THERMAL LINK; Material: COPPER ALLOY; Unthreaded Mounting Hole Diameter: 0.097 INCHES MINIMUM AND 0.113 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN; Surface Treatment: CHROMATE. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 5999-01-105-4991 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.