The Core Material,cellular,structura, cataloged under National Stock Number 5680-01-310-9529, is classified within Federal Supply Class 5680 (Miscellaneous Construction Materials) of the Construction and Building Materials group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5680-01-310-9529 |
| Item Name | Core Material,cellular,structura |
| FSC / FSG | 5680 / 56 — Miscellaneous Construction Materials |
| Status | ACTIVE |
| Cell Size | 0.250 IN. IN |
| Cell Perforation | NOT INCLUDED |
| Nominal Density Rating | 3.5 POUNDS PER CUBIC FOOT LBS |
| Cell Depth | 0.640 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-C-8073 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 CLASS AND 2A TYPE A |
| Maximum Service Temp Limit | 350.0 DEG FAHRENHEIT |
| Material | GLASS BASIC |
| Cell Condition | EXPANDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-C-8073 | 4/1 Identification reference U.S. Government activity |
NSN 5680-01-310-9529 is a Core Material,cellular,structura, classified under FSC 5680, Miscellaneous Construction Materials. Status: active.
Key specifications for 5680-01-310-9529: Cell Size: 0.250 IN. IN; Cell Perforation: NOT INCLUDED; Nominal Density Rating: 3.5 POUNDS PER CUBIC FOOT LBS; Cell Depth: 0.640 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.