The Hydraulic Fluid,fire Resistant, cataloged under National Stock Number 9150-01-386-6687, is classified within Federal Supply Class 9150 (Oils and Greases: Cutting, Lubricating, and Hydraulic) of the Fuels, Lubricants, Oils, and Waxes group. The manufacturer of record is Tecno Trade S.r.l.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 9150-01-386-6687 |
| Primary Part Number | MIL-PRF-87257 |
| Item Name | Hydraulic Fluid,fire Resistant |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | Tecno Trade S.r.l. |
| Status | ACTIVE |
| Maximum Pour Point | -60.0 CELSIUS DEGC |
| Basic Ingredient | SYNTHETIC BASE AND HYDROCARBONS |
| Quantity Within Each Unit Package | 1.000 GALLONS |
| Viscosity at Rated Temp | 6.75 NOMINAL 40 DEG CELSIUS AND 2.00 NOMINAL 100 DEG CELSIUS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MIL-PRF-87257 | Tecno Trade S.r.l. (ITA) |
| RADCOLUBE FR257 | Leonardo Spa Aircraft Division (ITA) |
| HYDRAUNYCOIL FH 42 | Nyco (FRA) |
| RADCOLUBE FR257 | Radco Industries Inc (USA) |
| 01599278 | Asrc Federal Facilities Logistics, Llc (USA) |
| Reference | Meaning |
|---|---|
| MIL-H-87257 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-87257 | 4/1 Identification reference U.S. Government activity |
NSN 9150-01-386-6687 is a Hydraulic Fluid,fire Resistant, manufactured by Tecno Trade S.r.l., classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-386-6687 has 5 manufacturer part numbers on file: MIL-PRF-87257 (Tecno Trade S.r.l.), RADCOLUBE FR257 (Leonardo Spa Aircraft Division), HYDRAUNYCOIL FH 42 (Nyco), RADCOLUBE FR257 (Radco Industries Inc), 01599278 (Asrc Federal Facilities Logistics, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 9150-01-387-4577, 9150-01-388-7769, 9150-01-391-2087. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-PRF-87257: Maximum Pour Point: -60.0 CELSIUS DEGC; Basic Ingredient: SYNTHETIC BASE AND HYDROCARBONS; Quantity Within Each Unit Package: 1.000 GALLONS; Viscosity at Rated Temp: 6.75 NOMINAL 40 DEG CELSIUS AND 2.00 NOMINAL 100 DEG CELSIUS. 4 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.