The Core Material,cellular,structura, cataloged under National Stock Number 5680-01-253-2984, is classified within Federal Supply Class 5680 (Miscellaneous Construction Materials) of the Construction and Building Materials group. The manufacturer of record is Hexcel Corp. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5680-01-253-2984 |
| Primary Part Number | HRP-3/16-4.0-.252 |
| Item Name | Core Material,cellular,structura |
| FSC / FSG | 5680 / 56 — Miscellaneous Construction Materials |
| Manufacturer | Hexcel Corp |
| Status | ACTIVE |
| Cell Size | 3/16 IN. IN |
| Face Thickness | 0.252 INCHES NOMINAL IN |
| Nominal Density Rating | 4.0 POUNDS PER CUBIC FOOT LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HRP-3/16-4.0-.252 PRIMARY | Hexcel Corp (USA) |
| Reference | Meaning |
|---|---|
| HRP3/16-4.0-.252 | 5/9 Secondary reference Northrop Grumman Corp Military Aircraft Systems Div Chandler Site |
NSN 5680-01-253-2984 is a Core Material,cellular,structura, manufactured by Hexcel Corp, classified under FSC 5680, Miscellaneous Construction Materials. Status: active.
NSN 5680-01-253-2984 has 1 manufacturer part number on file: HRP-3/16-4.0-.252 (Hexcel Corp).
Key specifications for HRP-3/16-4.0-.252: Cell Size: 3/16 IN. IN; Face Thickness: 0.252 INCHES NOMINAL IN; Nominal Density Rating: 4.0 POUNDS PER CUBIC FOOT LBS; Special Features: SHEET SIZE IN INCHES IS 36 X 96; HONEYCOMB TYPE. 3 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.
NSN 5680-01-253-2984 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.