The Sealer,chemical, cataloged under National Stock Number 6850-00-895-5491, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Momentive Performance Materials 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6850-00-895-5491 |
| Primary Part Number | RTV60 001LB KT |
| Item Name | Sealer,chemical |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Momentive Performance Materials Inc. |
| Status | ACTIVE |
| Supplementary Features | 1 POUND KIT LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RTV60 001LB KT PRIMARY | Momentive Performance Materials Inc. (USA) |
| Reference | Meaning |
|---|---|
| RTV60 | 5/1 Secondary reference Momentive Performance Materials Inc. |
| RTV60 001 | 3/1 Design control — primary reference Momentive Performance Materials Inc. |
NSN 6850-00-895-5491 is a Sealer,chemical, manufactured by Momentive Performance Materials Inc., classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-00-895-5491 has 1 manufacturer part number on file: RTV60 001LB KT (Momentive Performance Materials Inc.).
1 possible match (shared part number, not a government interchangeability claim): 8040-01-185-9640. Verify interchangeability with system specifications before substitution.
Key specifications for RTV60 001LB KT: Supplementary Features: 1 POUND KIT LBS; Special Features: HIGH TEMPERATURE; SERVICE TEMPERATURE RANGE OF MINUS 65 DEG F TO PLUS 500 DEG F; 1 HOUR WORKING TIME; COLOR: RED; PHYSICAL FORM: LIQUID; MATERIAL: SILICONE; RATED DRYING TIME: 24.00 HOURS NOMINAL; SPECIFIC USAGE: FOR POTTING AND ENCAPSULATING ELECTRIC MOTORS AND TRANSFORMERS; TEMPERATURE RATING: 500.00 DEG. F.; SEPERATE CATALYST; QUANTITY WITHIN EACH UNIT PACKAGE: 1.00 POUNDS; LBS. 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.