The Core Material,cellular,structura, cataloged under National Stock Number 5680-01-391-2991, is classified within Federal Supply Class 5680 (Miscellaneous Construction Materials) of the Construction and Building Materials group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5680-01-391-2991 |
| Primary Part Number | 56567416 |
| Item Name | Core Material,cellular,structura |
| FSC / FSG | 5680 / 56 — Miscellaneous Construction Materials |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 56567416 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| MS-573 TY8 CL1 43INWX25FTL | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
NSN 5680-01-391-2991 is a Core Material,cellular,structura, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 5680, Miscellaneous Construction Materials. Status: active.
NSN 5680-01-391-2991 has 2 manufacturer part numbers on file: 56567416 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), MS-573 TY8 CL1 43INWX25FTL (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for 56567416: Criticality Code Justification: FEAT; Special Features: ELECTRIAL VALUE FOR EACH TYPE IS SPECIFIED IN SC-131; End Item Identification: B-2 TSSP. 1 specification is 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 5680-01-391-2991 has DEMIL Code D. 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.