The Core Material,cellular,structura, cataloged under National Stock Number 5680-01-068-1688, is classified within Federal Supply Class 5680 (Miscellaneous Construction Materials) of the Construction and Building Materials group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5680-01-068-1688 |
| Item Name | Core Material,cellular,structura |
| FSC / FSG | 5680 / 56 — Miscellaneous Construction Materials |
| Status | ACTIVE |
| Cell Size | 1/8 IN. IN |
| Cell Perforation | NOT INCLUDED |
| Nominal Density Rating | 6.1 POUNDS PER CUBIC FOOT LBS |
| Material | ALUMINUM ALLOY BASIC |
| Cell Condition | EXPANDED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER |
| 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 |
|---|---|
| P190-1C | 5/2 Secondary reference U.S. Government activity |
| CRIII-1/8-5052-.0015N-6.1 | 5/9 Secondary reference Hexcel Corp |
| CRIII-1/8-5052-.0015N-6.1-42X96- | 3/1 Design control — primary reference Hexcel Corp |
| CRIII-1/8-5052-.0015N-6.1X2.5 | C/1 Advisory reference — outside the item-of-supply concept Hexcel Corp |
| 6.1-1/8-0.0015-5052 | 5/9 Secondary reference American Cyanamid Co Industrial Chemicals and Plastics Div Bloomingdale Dept |
NSN 5680-01-068-1688 is a Core Material,cellular,structura, classified under FSC 5680, Miscellaneous Construction Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5680-01-118-2054. Verify interchangeability with system specifications before substitution.
Key specifications for 5680-01-068-1688: Cell Size: 1/8 IN. IN; Cell Perforation: NOT INCLUDED; Nominal Density Rating: 6.1 POUNDS PER CUBIC FOOT LBS; Material: ALUMINUM ALLOY BASIC. 6 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.