The Sealer,chemical, cataloged under National Stock Number 6850-01-081-4249, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Prc - Desoto International, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6850-01-081-4249 |
| Primary Part Number | P/S 872 B-2 |
| Item Name | Sealer,chemical |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Prc - Desoto International, Inc |
| Status | ACTIVE |
| Supplementary Features | 1 PINT KIT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| P/S 872 B-2 PRIMARY | Prc - Desoto International, Inc (USA) |
| Reference | Meaning |
|---|---|
| P/S 872 B-2 | 3/2 Design control — primary reference U.S. Government activity |
| PROSEAL 872 B-2 | 5/1 Secondary reference U.S. Government activity |
| P/S 872 B-2 | 5/2 Secondary reference U.S. Government activity |
NSN 6850-01-081-4249 is a Sealer,chemical, manufactured by Prc - Desoto International, Inc, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-081-4249 has 1 manufacturer part number on file: P/S 872 B-2 (Prc - Desoto International, Inc).
1 possible match (shared part number, not a government interchangeability claim): 6850-01-426-1570. Verify interchangeability with system specifications before substitution.
Key specifications for P/S 872 B-2: Supplementary Features: 1 PINT KIT; Special Features: ALUMINUM FILLED; SERVICE TEMPERATURE RANGE OF MINUS 67 DEG F TO PLUS 250 DEG F, INTERMITTENT USE TO 275 DEG F; POLYSULFIDE; 2 HOUR WORKING TIME; COLCOR: LIGHT GRAY; PHYSICAL FORM: PASTE; MATERIAL: RUBBER SYNTHETIC; RATED DRYING TIME: 36.00 HOURS MAXIMUM; SPECIFIC USAGE: CONDUCTIVE LIGHTING STRIKE AIRCRAFT SEALANT; SEPERATE CATLYST; QUANTITY WITHIN EACH UNIT PACKAGE: 1.00 PINTS; DEGF. 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.