The Insulation,foam, cataloged under National Stock Number 5640-01-237-8048, is classified within Federal Supply Class 5640 (Wallboard, Building Paper, and Thermal Insulation Materials) of the Construction and Building Materials group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5640-01-237-8048 |
| Primary Part Number | 8551K11 |
| Item Name | Insulation,foam |
| FSC / FSG | 5640 / 56 — Wallboard, Building Paper, and Thermal Insulation Materials |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Supplementary Features | TEMPERATURE RANGE -22 TO 225 DEGREES FAHRENHEIT; THERMAL RESISTANCE 6.2 DEGREES FAHRENHEIT PER SQUARE FOOT PER HOUR PER BTU MINIMUM; TENSILE STRENGTH 20.0 POUNDS PER SQUARE INCH MINIMUM LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8551K11 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| ASTM C1029 TYI | 5/2 Secondary reference U.S. Government activity |
| 7627T1 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
| PV83 | 5/9 Secondary reference Interlink Communications Inc |
| ASTM C1029 TY1 | 5/9 Secondary reference U.S. Government activity |
| ASTM C1029 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5640-01-237-8048 is a Insulation,foam, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5640, Wallboard, Building Paper, and Thermal Insulation Materials. Status: active.
NSN 5640-01-237-8048 has 1 manufacturer part number on file: 8551K11 (Mcmaster-Carr Supply Co).
Key specifications for 8551K11: Supplementary Features: TEMPERATURE RANGE -22 TO 225 DEGREES FAHRENHEIT; THERMAL RESISTANCE 6.2 DEGREES FAHRENHEIT PER SQUARE FOOT PER HOUR PER BTU MINIMUM; TENSILE STRENGTH 20.0 POUNDS PER SQUARE INCH MINIMUM LBS; End Item Identification: 3610-01-105-1744. 1 specification is documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.