The Core Material,cellular,structura, cataloged under National Stock Number 5680-01-122-3900, is classified within Federal Supply Class 5680 (Miscellaneous Construction Materials) of the Construction and Building Materials group. The manufacturer of record is Texas Almet, L.p.. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5680-01-122-3900 |
| Primary Part Number | HRH-10-1/8-4.0 48"X96"X1.5 |
| Item Name | Core Material,cellular,structura |
| FSC / FSG | 5680 / 56 — Miscellaneous Construction Materials |
| Manufacturer | Texas Almet, L.p. |
| Status | ACTIVE |
| Cell Size | 1/8 IN IN |
| Cell Perforation | NOT INCLUDED |
| Nominal Density Rating | 4.0 POUNDS PER CUBIC FOOT LBS |
| Maximum Density Rating | 4.4 POUNDS PER CUBIC FOOT LBS |
| Maximum Service Temp Limit | 250.0 DEG FAHRENHEIT |
| Material | PLASTIC COATING |
| Material | PLASTIC POLYAMIDE NYLON BASIC |
| Service Characteristics | WATER REPELLENT |
| 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 |
| Part Number | Manufacturer |
|---|---|
| HRH-10-1/8-4.0 48"X96"X1.5 PRIMARY | Texas Almet, L.p. (USA) |
| Reference | Meaning |
|---|---|
| HRH-10-1/8-5.0 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Corp Military Aircraft Systems Div Chandler Site |
| HRH-10-1/8-4.0 | 3/9 Design control — primary reference Northrop Grumman Corp Military Aircraft Systems Div Chandler Site |
NSN 5680-01-122-3900 is a Core Material,cellular,structura, manufactured by Texas Almet, L.p., classified under FSC 5680, Miscellaneous Construction Materials. Status: active.
NSN 5680-01-122-3900 has 1 manufacturer part number on file: HRH-10-1/8-4.0 48"X96"X1.5 (Texas Almet, L.p.).
1 possible match (shared part number, not a government interchangeability claim): 5680-01-471-1153. Verify interchangeability with system specifications before substitution.
Key specifications for HRH-10-1/8-4.0 48"X96"X1.5: Cell Size: 1/8 IN IN; Cell Perforation: NOT INCLUDED; Nominal Density Rating: 4.0 POUNDS PER CUBIC FOOT LBS; Maximum Density Rating: 4.4 POUNDS PER CUBIC FOOT LBS. 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.