The Heater,thermal Release, cataloged under National Stock Number 5999-00-718-0229, 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 Instruments and Flight Research, Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-00-718-0229 |
| Primary Part Number | 521983-57 |
| Item Name | Heater,thermal Release |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Instruments and Flight Research, Inc. |
| Status | ACTIVE |
| Mounting Hole Diameter | 0.218 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Material | ALUMINUM |
| Mounting Hole Diameter | 0.218 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| Successor | 6625-01-113-5584 (4233-4) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | J |
NSN 5999-00-718-0229 is a Heater,thermal Release, manufactured by Instruments and Flight Research, Inc., classified under FSC 5999 (No Item Name Available). Status: active.
NSN 5999-00-718-0229 has 2 cross-referenced part numbers: 42334 (Cooper Industries Inc Cooper Distribution Equipment Div), 521983-57 (Instruments and Flight Research, Inc.).
There are 8 known substitutes for 5999-00-718-0229: 6625-01-113-5584, 5940-00-055-1540, 5305-00-149-8610 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 521983-57: Mounting Hole Diameter: 0.218 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Material: ALUMINUM; Overall Length: 2.000 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.