The Cassette,filter, cataloged under National Stock Number 6640-01-445-5914, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-445-5914 |
| Primary Part Number | 696172 |
| Item Name | Cassette,filter |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Unit Package Type | PACKAGE |
| Unit Package Quantity | 50 |
| 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 |
|---|---|
| 696172 PRIMARY | Mine Safety Appliances Company (USA) |
| Reference | Meaning |
|---|---|
| 97-0260 | 5/1 Secondary reference U.S. Government activity |
NSN 6640-01-445-5914 is a Cassette,filter, manufactured by Mine Safety Appliances Company, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-445-5914 has 1 manufacturer part number on file: 696172 (Mine Safety Appliances Company).
1 possible match (shared part number, not a government interchangeability claim): 4940-01-481-4144. Verify interchangeability with system specifications before substitution.
Key specifications for 696172: Unit Package Type: PACKAGE; Unit Package Quantity: 50; Special Features: ASBESTOS FILTER CASSETTES F/ASBESTOS SAMPLING; C/O FILTER CASSETTES PRELOADED W/25 MM MCE FILTER DISCS; DISCS AVAILABLE W/0.45 U PORE AND 5.0 U PORE SIZE AND 50 MM ANTI-STATIC COWL; AIR SAMPLING ACCESSORY FOR USE W/SAMPLING PUMP EQUIPMENT MM; Part Name Assigned by Controlling Agency: FILTER CASSETTES ASBESTOS SAMPLING F/USE W/SAMPLING PUMP EQUIP50. 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.