The Core Material,cellular,structura, cataloged under National Stock Number 5680-00-149-1371, is classified within Federal Supply Class 5680 (Miscellaneous Construction Materials) of the Construction and Building Materials group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5680-00-149-1371 |
| Item Name | Core Material,cellular,structura |
| FSC / FSG | 5680 / 56 — Miscellaneous Construction Materials |
| Status | ACTIVE |
| Cell Size | 1/4 IN. IN |
| Cell Perforation | INCLUDED |
| Nominal Density Rating | 4.3 POUNDS PER CUBIC FOOT LBS |
| Material Document and Classification | MIL-C-7438 MIL SPEC SINGLE MATERIAL RESPONSE BASIC |
| Unit Package Quantity | 1 |
| Cell Depth | 1.012 INCHES NOMINAL IN |
| Designed Transverse Direction Dimension | 96.000IN. IN |
| Nondefinitive Spec/std Data | B GRADE AND 1 CLASS |
| Transverse Direction Dimension | 42.000IN. IN |
| Ribbon Direction Dimension | 35.000IN. IN |
| Material | ALUMINUM ALLOY BASIC |
| Designed Ribbon Direction Dimension | 35.000IN. IN |
| 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 |
|---|---|
| A1-1-4-5052-002P1-012-35-42 | 3/9 Design control — primary reference American Cyanamid Co Industrial Chemicals and Plastics Div Bloomingdale Dept |
| MIL-C-7438 | 4/1 Identification reference U.S. Government activity |
NSN 5680-00-149-1371 is a Core Material,cellular,structura, classified under FSC 5680, Miscellaneous Construction Materials. Status: active.
Key specifications for 5680-00-149-1371: Cell Size: 1/4 IN. IN; Cell Perforation: INCLUDED; Nominal Density Rating: 4.3 POUNDS PER CUBIC FOOT LBS; Material Document and Classification: MIL-C-7438 MIL SPEC SINGLE MATERIAL RESPONSE BASIC. 12 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.