The Polish,lens,optical, cataloged under National Stock Number 6540-01-452-0081, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Practical Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6540-01-452-0081 |
| Primary Part Number | 3311 |
| Item Name | Polish,lens,optical |
| FSC / FSG | 6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies |
| Manufacturer | Practical Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | OPTICAL LENS POLISH FOR USE IN OPTICAL FABRICATION; AVERAGE PARTICLE SIZE IS 1.3 TO 1.5 MICRONS; FOR USE WITH THE CR 39 PLASTIC OR POLYCARBONATE LENSES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 3311 PRIMARY | Practical Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 97-0899 | 5/1 Secondary reference U.S. Government activity |
NSN 6540-01-452-0081 is a Polish,lens,optical, manufactured by Practical Systems Inc, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
NSN 6540-01-452-0081 has 1 manufacturer part number on file: 3311 (Practical Systems Inc).
Key specifications for 3311: General Characteristics Item Description: OPTICAL LENS POLISH FOR USE IN OPTICAL FABRICATION; AVERAGE PARTICLE SIZE IS 1.3 TO 1.5 MICRONS; FOR USE WITH THE CR 39 PLASTIC OR POLYCARBONATE LENSES; Part Name Assigned by Controlling Agency: POLISH LENS OPTICAL U/OPTICAL FABRCTN AVER PARTICAL SIZE 1.3/1.5. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.