The Insulation Block,thermal, cataloged under National Stock Number 5640-01-432-0921, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5640-01-432-0921 |
| Primary Part Number | 8-16-11 |
| Item Name | Insulation Block,thermal |
| FSC / FSG | 5640 / 56 — No Item Name Available |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5640-01-432-0921 is a Insulation Block,thermal, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5640 (No Item Name Available). Status: active.
NSN 5640-01-432-0921 has 2 cross-referenced part numbers: 8-16-11 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 741105-A (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
There are 7 known substitutes for 5640-01-432-0921: 4730-00-488-5905, 5935-00-993-2949, 9905-01-193-0960 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8-16-11: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 total characteristics are documented in the Federal Logistics Information System.