The Sealer,chemical, cataloged under National Stock Number 6850-01-598-1435, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Illinois Tool Works Inc. Dba Illinois Tool Works Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6850-01-598-1435 |
| Primary Part Number | 81878 |
| Item Name | Sealer,chemical |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Illinois Tool Works Inc. Dba Illinois Tool Works Inc |
| Status | ACTIVE |
| Supplementary Features | TWELVE 3 OUNCE TUBES OZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 81878 PRIMARY | Illinois Tool Works Inc. Dba Illinois Tool Works Inc (USA) |
| 76715A71 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 81878 | 3/9 Design control — primary reference Devcon Corp |
| PERMATEX ULTRA COPPER RTV | 5/9 Secondary reference Permatex, Inc. Dba Permatex, Inc./ a Division of Itw |
| 81878 | 5/9 Secondary reference Permatex, Inc. Dba Permatex, Inc./ a Division of Itw |
NSN 6850-01-598-1435 is a Sealer,chemical, manufactured by Illinois Tool Works Inc. Dba Illinois Tool Works Inc, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-598-1435 has 2 manufacturer part numbers on file: 81878 (Illinois Tool Works Inc. Dba Illinois Tool Works Inc), 76715A71 (Mcmaster-Carr Supply Co).
Key specifications for 81878: Supplementary Features: TWELVE 3 OUNCE TUBES OZ; Special Features: HIGH TEMPERATURE; NON-CORROSIVE, COLOR: COPPER, PHYSICAL FORM: PASTE, MATERIAL: SILICONE, DISIGNED FOR FORM-IN-PLACE GASKETING APPLICATIONS IN MECHANICAL ASSEMBLIES, TEMP RATING: 700.0 DEG F, 12-3OZ TUBES. OZ. 1 specification is documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.