The Cutting Fluid,lapping Operations, cataloged under National Stock Number 9150-01-261-4688, 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 Exxon Mobil Corporation Dba Exxonmobil Fuels Marketing Company Div Exxonmobil Fuels Marketing Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 9150-01-261-4688 |
| Primary Part Number | ISOPAR M |
| Item Name | Cutting Fluid,lapping Operations |
| FSC / FSG | 9150 / 91 — Oils and Greases: Cutting, Lubricating, and Hydraulic |
| Manufacturer | Exxon Mobil Corporation Dba Exxonmobil Fuels Marketing Company Div Exxonmobil Fuels Marketing Company |
| Status | ACTIVE |
| General Characteristics Item Description | 170 DEG F FLASH POINT; 200 DEG F FIRE POINT; VISCOSITY 6.80 AT 32 DEG F AND 3.35 AT 77 DEG F AND 2.31 AT 100 DEG F AND 0.999 AT 212 DEG F; 5 GALLON CAN DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ISOPAR M PRIMARY | Exxon Mobil Corporation Dba Exxonmobil Fuels Marketing Company Div Exxonmobil Fuels Marketing Company (USA) |
| Reference | Meaning |
|---|---|
| 1263C309-1 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 9150-01-261-4688 is a Cutting Fluid,lapping Operations, manufactured by Exxon Mobil Corporation Dba Exxonmobil Fuels Marketing Company Div Exxonmobil Fuels Marketing Company, classified under FSC 9150, Oils and Greases: Cutting, Lubricating, and Hydraulic. Status: active.
NSN 9150-01-261-4688 has 1 manufacturer part number on file: ISOPAR M (Exxon Mobil Corporation Dba Exxonmobil Fuels Marketing Company Div Exxonmobil Fuels Marketing Company).
1 possible match (shared part number, not a government interchangeability claim): 9150-01-685-8124. Verify interchangeability with system specifications before substitution.
Key specifications for ISOPAR M: General Characteristics Item Description: 170 DEG F FLASH POINT; 200 DEG F FIRE POINT; VISCOSITY 6.80 AT 32 DEG F AND 3.35 AT 77 DEG F AND 2.31 AT 100 DEG F AND 0.999 AT 212 DEG F; 5 GALLON CAN 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.