The Sealer,chemical, cataloged under National Stock Number 6850-01-378-0235, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Asrc Federal Facilities Logistics, Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6850-01-378-0235 |
| Primary Part Number | 20539 |
| Item Name | Sealer,chemical |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Asrc Federal Facilities Logistics, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | ROSIN; DARK BROWN; LIQUID; HARD SETTING; SLOW DRYING; FOR COATING, SEALING AND REPAIRING FELT, PAPER, RUBBER AND COMPOSITION TYPE GASKETS; ALSO FOR SEALING METAL GASKETS AND THREADED CONNECTIONS FOR LIGHT DUTY SERVICE; SERVICE TEMPERATURE RANGE OF MINUS 65 DEG TO PLUS 350 DEG F DEGF |
| Supplementary Features | TWELVE 2 OUNCE BOTTLES OZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 20539 | Asrc Federal Facilities Logistics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 20539 | 3/9 Design control — primary reference Permatex, Inc. Dba Permatex, Inc./ a Division of Itw |
| 5J-1 | 5/9 Secondary reference Permatex, Inc. Dba Permatex, Inc./ a Division of Itw |
| INDIAN HEAD | 5/9 Secondary reference Permatex, Inc. Dba Permatex, Inc./ a Division of Itw |
| 5J | 5/9 Secondary reference Permatex, Inc. Dba Permatex, Inc./ a Division of Itw |
NSN 6850-01-378-0235 is a Sealer,chemical, manufactured by Asrc Federal Facilities Logistics, Llc, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-378-0235 has 1 manufacturer part number on file: 20539 (Asrc Federal Facilities Logistics, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-389-2517, 3010-01-605-5609, 3010-01-720-8003. Verify interchangeability with system specifications before substitution.
Key specifications for 20539: General Characteristics Item Description: ROSIN; DARK BROWN; LIQUID; HARD SETTING; SLOW DRYING; FOR COATING, SEALING AND REPAIRING FELT, PAPER, RUBBER AND COMPOSITION TYPE GASKETS; ALSO FOR SEALING METAL GASKETS AND THREADED CONNECTIONS FOR LIGHT DUTY SERVICE; SERVICE TEMPERATURE RANGE OF MINUS 65 DEG TO PLUS 350 DEG F DEGF; Supplementary Features: TWELVE 2 OUNCE BOTTLES OZ; Special Features: ROSIN; DARK BROWN; LIQUID; HARD SETTING; SLOW DRYING; FOR COATING, SEALING AND REPAIRING FELT, PAPER, RUBBER AND COMPOSITION TYPE GASKETS; ALSO FOR SEALING METAL GASKETS AND THREADED CONNECTIONS FOR LIGHT DUTY SERVICE; SERVICE TEMPERATURE RANGE OF MINUS 65 DEG TO PLUS 350 DEG F DEGF. 2 specifications are 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.