The Insulation Pipe Covering,thermal, cataloged under National Stock Number 1660-01-522-5359, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Fleet Readiness Center Southwest. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-522-5359 |
| Primary Part Number | 137553 |
| Item Name | Insulation Pipe Covering,thermal |
| FSC / FSG | 1660 / 16 — No Item Name Available |
| Manufacturer | Fleet Readiness Center Southwest |
| Status | ACTIVE |
| Insulation Thickness | 0.078 INCHES MINIMUM IN |
| Material | ASBESTOS LOCATION NOT OTHERWISE SPECIFIED |
| Nondefinitive Spec/std Data | MIL-I-13042 COMP II RANGE 1 SPECIFICATION SHEET |
| Temp Rating | 538.0 FAHRENHEIT MAXIMUM DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 137553 | Fleet Readiness Center Southwest (USA) |
| 137553-1 | Thermostatic Industries, Inc. (USA) |
| MIL-I-13042 CP 2 R 1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 1660-01-522-5359 is a Insulation Pipe Covering,thermal, manufactured by Fleet Readiness Center Southwest, classified under FSC 1660 (No Item Name Available). Status: active.
NSN 1660-01-522-5359 has 3 cross-referenced part numbers: 137553 (Fleet Readiness Center Southwest), 137553-1 (Thermostatic Industries, Inc.), MIL-I-13042 CP 2 R 1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 5 known substitutes for 1660-01-522-5359: 5330-00-949-9274, 5998-01-394-9941, 2540-01-498-3534 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 137553: End Item Identification: SLEEVE HEAT F/A-18; Insulation Thickness: 0.078 INCHES MINIMUM IN; Material: ASBESTOS LOCATION NOT OTHERWISE SPECIFIED; Nondefinitive Spec/std Data: MIL-I-13042 COMP II RANGE 1 SPECIFICATION SHEET. 6 total characteristics are documented in the Federal Logistics Information System.