The Immersion Oil,microscopy, cataloged under National Stock Number 6640-01-390-5969, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Arthur H. Thomas Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-390-5969 |
| Primary Part Number | 6705C01 |
| Item Name | Immersion Oil,microscopy |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Arthur H. Thomas Company |
| Status | ACTIVE |
| General Characteristics Item Description | LOW VISCOSITY OF 150 CASES; STABLE; NON-DRYING; NON-HARDENING; OFFERS OPTIMUM VISIBILITY AND SAFETY; CONTAINS NO PCBS; 0.50 OZ. TUBE WITH 1 INCH LONG NOZZLE TO REACH SPACE BETWEEN SLIDE AND OBJECTIVE OZ |
| 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 |
|---|---|
| 6705C01 | Arthur H. Thomas Company (USA) |
| 48218-049 | Vwr International, Llc Dba Vwr Scientific (USA) |
| Reference | Meaning |
|---|---|
| 12-365-20 | 3/9 Design control — primary reference Fisher Scientific Company L.l.c. |
| 12-365-20 RESOLVE | 5/2 Secondary reference U.S. Government activity |
| RESOLVE | 5/9 Secondary reference Curtin Matheson Scientific Inc |
| 244-260 | 5/9 Secondary reference Curtin Matheson Scientific Inc |
NSN 6640-01-390-5969 is a Immersion Oil,microscopy, manufactured by Arthur H. Thomas Company, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-390-5969 has 2 manufacturer part numbers on file: 6705C01 (Arthur H. Thomas Company), 48218-049 (Vwr International, Llc Dba Vwr Scientific).
1 possible match (shared part number, not a government interchangeability claim): 6665-01-674-2817. Verify interchangeability with system specifications before substitution.
Key specifications for 6705C01: General Characteristics Item Description: LOW VISCOSITY OF 150 CASES; STABLE; NON-DRYING; NON-HARDENING; OFFERS OPTIMUM VISIBILITY AND SAFETY; CONTAINS NO PCBS; 0.50 OZ. TUBE WITH 1 INCH LONG NOZZLE TO REACH SPACE BETWEEN SLIDE AND OBJECTIVE OZ; Part Name Assigned by Controlling Agency: IMMERSION OIL MICROSCOPY .50 OZ BT W/1IN LONG NOZZLE OZ. 1 specification is 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.