The Insulation Blanket,thermal, cataloged under National Stock Number 5640-01-121-0702, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5640-01-121-0702 |
| Primary Part Number | 74090 |
| Item Name | Insulation Blanket,thermal |
| FSC / FSG | 5640 / 56 — No Item Name Available |
| Manufacturer | Hdt Expeditionary Systems Inc |
| Status | ACTIVE |
| Width | 48.000 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | B FORM AND 1 TYPE AND 6 CLASS |
| Material | GLASS FIBER LAYER |
| Added Binder | INCLUDED |
| Content Within Each Unit Package | 100 FT FT |
| Layer Quantity | 1 LOCATION NOT OTHERWISE SPECIFIED |
| Layer Thickness | 1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Length | 1200.000 INCHES NOMINAL IN |
| Temp Rating | 350.0 FAHRENHEIT DEGF |
| Unit Package Type | ROLL |
| Quilted Feature | NOT INCLUDED |
| Thickness | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 74090 | Keco Industries, Inc. (USA) |
| HH-I-558 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| HH-I-558 FMBTY1CL6 | General Services Administration Federal Supply Service (USA) |
| R-SERIES FSKL | Johns-Manville Sales Corp North Central Regional Sales Office |
| 74090 | Drs Environmental Systems Inc (USA) |
| ASTM-C553 | American Society for Testing and Materials Dba Astm International (USA) |
| 74090 PRIMARY | Hdt Expeditionary Systems Inc (USA) |
NSN 5640-01-121-0702 is a Insulation Blanket,thermal, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 5640 (No Item Name Available). Status: active.
NSN 5640-01-121-0702 has 7 cross-referenced part numbers: 74090 (Keco Industries, Inc.), HH-I-558 (Federal Specifications Promulgated by General Services Administration Washington DC), HH-I-558 FMBTY1CL6 (General Services Administration Federal Supply Service), R-SERIES FSKL (Johns-Manville Sales Corp North Central Regional Sales Office), 74090 (Drs Environmental Systems Inc) and 2 more.
There are 12 known substitutes for 5640-01-121-0702: 5640-00-079-3360, 5640-00-142-5956, 3110-00-198-2082 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 74090: Width: 48.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: B FORM AND 1 TYPE AND 6 CLASS; Material: GLASS FIBER LAYER; Added Binder: INCLUDED. 12 total characteristics are documented in the Federal Logistics Information System.