The Lavatory Antifreeze, cataloged under National Stock Number 6850-01-661-2033, is classified within Federal Supply Class 6850 (Miscellaneous Chemical Specialties) of the Chemicals and Chemical Products group. The manufacturer of record is Orison Marketing Llc Div Orison Marketing Hq. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6850-01-661-2033 |
| Primary Part Number | ICLF-275-T-S |
| Item Name | Lavatory Antifreeze |
| FSC / FSG | 6850 / 68 — Miscellaneous Chemical Specialties |
| Manufacturer | Orison Marketing Llc Div Orison Marketing Hq |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ICLF-275-T-S PRIMARY | Orison Marketing Llc Div Orison Marketing Hq (USA) |
| AC BLUE-S-275 | Rite-Kem, Inc. Dba Rite-Kem Inc (USA) |
| Reference | Meaning |
|---|---|
| AC BLUE WINTER 275-GAL | 5/9 Secondary reference Rite-Kem, Inc. Dba Rite-Kem Inc |
NSN 6850-01-661-2033 is a Lavatory Antifreeze, manufactured by Orison Marketing Llc Div Orison Marketing Hq, classified under FSC 6850, Miscellaneous Chemical Specialties. Status: active.
NSN 6850-01-661-2033 has 2 manufacturer part numbers on file: ICLF-275-T-S (Orison Marketing Llc Div Orison Marketing Hq), AC BLUE-S-275 (Rite-Kem, Inc. Dba Rite-Kem Inc).
1 possible match (shared part number, not a government interchangeability claim): 6850-01-684-6061. Verify interchangeability with system specifications before substitution.
Key specifications for ICLF-275-T-S: Special Features: 275.00 GALLON SUMMER BLEND AIRCRAFT LAVATORY ANTIFREEZE;. 0 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.