The Viscometer,heated, cataloged under National Stock Number 6665-01-557-1017, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-557-1017 |
| Primary Part Number | FG-K1-200-KW |
| Item Name | Viscometer,heated |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FG-K1-200-KW PRIMARY | Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division (USA) |
| Reference | Meaning |
|---|---|
| FGK1200PA | 5/9 Secondary reference Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
| FG-K1-200-KW | 5/9 Secondary reference Kittiwake Developments Limited |
| FG-K1-200-KW | 5/9 Secondary reference Distribution Specialists Inc |
NSN 6665-01-557-1017 is a Viscometer,heated, manufactured by Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-557-1017 has 1 manufacturer part number on file: FG-K1-200-KW (Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division).
Key specifications for FG-K1-200-KW: Special Features: SUITABLE FOR MEASURING BOTH FUEL OIL VISCOSITY AND LUBE OIL VISCOSITY; VERIFIES CORRECT FUEL GRADE OR BLEND HAS BEEN DELIVERED TO ENGINE; ESTIMATES THE COMBUSTION PERFORMANCE (CCAI) OF FUEL OIL; Part Name Assigned by Controlling Agency: (INAVY) HEATED VISCOMETER. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.