The Paper,lens, cataloged under National Stock Number 6640-00-436-5000, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is J & H Berge, Inc. Dba Lab Mart, the Div the Labmart. Government technical data includes 5 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 6640-00-436-5000 |
| Primary Part Number | NNN-P-40 |
| Item Name | Paper,lens |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | J & H Berge, Inc. Dba Lab Mart, the Div the Labmart |
| Status | ACTIVE |
| Length | 11.000 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Nominal Basis Weight | 5.5 POUNDS PER 500 SHEETS 24.0 X 36.0 INCHES LBS |
| Usage Form | SHEET |
| Width | 7.500 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 |
|---|---|
| NNN-P-40 PRIMARY | J & H Berge, Inc. Dba Lab Mart, the Div the Labmart (USA) |
| Reference | Meaning |
|---|---|
| 6640004365000 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 6640004365000 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| A-A-50177B | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| NNNP40 | 5/9 Secondary reference U.S. Government activity |
| 6640004365000 | 5/9 Secondary reference J & H Berge, Inc. Dba Lab Mart, the Div the Labmart |
NSN 6640-00-436-5000 is a Paper,lens, manufactured by J & H Berge, Inc. Dba Lab Mart, the Div the Labmart, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-436-5000 has 1 manufacturer part number on file: NNN-P-40 (J & H Berge, Inc. Dba Lab Mart, the Div the Labmart).
5 possible matches (shared part number, not a government interchangeability claim): 6640-00-531-6604, 6640-00-559-1384, 6640-00-559-1385. Verify interchangeability with system specifications before substitution.
Key specifications for NNN-P-40: Length: 11.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS; Nominal Basis Weight: 5.5 POUNDS PER 500 SHEETS 24.0 X 36.0 INCHES LBS; Special Features: 1 REAM; TISSUE. 5 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.