The Paper,lens, cataloged under National Stock Number 6640-01-453-5995, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Weber Scientific, Inc.. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-453-5995 |
| Primary Part Number | 2033-04 |
| Item Name | Paper,lens |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Weber Scientific, Inc. |
| Status | ACTIVE |
| Length | 6.000 INCHES NOMINAL IN |
| Usage Form | SHEET |
| Width | 4.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2033-04 PRIMARY | Weber Scientific, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 98-0042 | 5/1 Secondary reference U.S. Government activity |
NSN 6640-01-453-5995 is a Paper,lens, manufactured by Weber Scientific, Inc., classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-453-5995 has 1 manufacturer part number on file: 2033-04 (Weber Scientific, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 9510-01-598-9033. Verify interchangeability with system specifications before substitution.
Key specifications for 2033-04: Length: 6.000 INCHES NOMINAL IN; Special Features: A SOFT/CLEAN TISSUE PAPER USED TO WRAP OR CLEAN (BUT NOT POLISH) ALL TYPES OF LENSES INCLUDING THOSE OF CAMERAS/OPTICAL INSTRUMENTS; Usage Form: SHEET; Width: 4.000 INCHES NOMINAL IN. 3 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.