The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-202-9721, 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 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-202-9721 |
| Primary Part Number | NAS4117B24 |
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | ACTIVE |
| Unthreaded Mounting Hole Diameter | 0.130 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Material Document and Classification | MIL-I-10 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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.). |
| Specification/standard Data | 81349-MIL-H-87111/1 GOVERNMENT SPECIFICATION |
| Material | BERYLLIUM OXIDE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.147 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.130 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Material Document and Classification | MIL-I-10 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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.). |
| Specification/standard Data | 81349-MIL-H-87111/1 GOVERNMENT SPECIFICATION |
| Material | BERYLLIUM OXIDE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.147 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Acquisition Status | ACTIVE |
| Successor | 5999-01-150-8828 |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Criticality Code | Q |
| Unit of Issue | EA |
| SMR Code | ZZ |
| Weight | 0.0100 lbs |
| Cube | 0.0000 cu ft |
| Part Number | Manufacturer |
|---|---|
| MIL-H-87111/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M87111/01-4Y24 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| NAS4117B24 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| NAS4117 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
NSN 5999-01-202-9721 is a Heat Sink-Insulator, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5999 (No Item Name Available). Status: active.
NSN 5999-01-202-9721 has 4 cross-referenced part numbers: MIL-H-87111/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M87111/01-4Y24 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NAS4117B24 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS4117 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).
There are 12 known substitutes for 5999-01-202-9721: 5999-01-150-8828, 5999-01-177-2887, 5999-01-197-2731 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for NAS4117B24: Unthreaded Mounting Hole Diameter: 0.130 INCHES NOMINAL FIRST MOUNTING FACILITY IN; Material Document and Classification: MIL-I-10 MIL SPEC SINGLE MATERIAL RESPONSE; 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.).; Overall Length: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.