The Cowl,filter Cassette Case, cataloged under National Stock Number 6640-01-445-5915, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Mine Safety Appliances Company. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-445-5915 |
| Primary Part Number | 695683 |
| Item Name | Cowl,filter Cassette Case |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Unit Package Type | PACKAGE |
| Unit Package Quantity | 5 |
| 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 |
|---|---|
| 695683 PRIMARY | Mine Safety Appliances Company (USA) |
| Reference | Meaning |
|---|---|
| 97-0263 | 5/1 Secondary reference U.S. Government activity |
NSN 6640-01-445-5915 is a Cowl,filter Cassette Case, manufactured by Mine Safety Appliances Company, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-445-5915 has 1 manufacturer part number on file: 695683 (Mine Safety Appliances Company).
Key specifications for 695683: Unit Package Type: PACKAGE; Overall Length: 50.0 MILLIMETERS NOMINAL MM; Unit Package Quantity: 5; Special Features: 50MM LONG COWL FOR USE W/FILTER CASSETTE CASE; PART OF CYCLONE ASSEMBLY; USED FOR LOADING EMPTY SAMPLING CASSETTE CASES AND FOR SELECTING A VERITY OF COMBINATIONS OF SAMPLING MEDIA; ACCESSORY OF SAMPLING PUMP EQUIPMENT MM. 2 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.