The Filter,respirator System, cataloged under National Stock Number 6530-01-284-6773, is classified within Federal Supply Class 6530 (Hospital Furniture, Equipment, Utensils, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Bird Products Corp. 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6530-01-284-6773 |
| Primary Part Number | 5559 |
| Item Name | Filter,respirator System |
| FSC / FSG | 6530 / 65 — Hospital Furniture, Equipment, Utensils, and Supplies |
| Manufacturer | Bird Products Corp |
| Status | ACTIVE |
| General Characteristics Item Description | NYLON FILTER SCREEN; 48 MICRON; 1.750 INCH OVERALL DIA.; 0.060 INCH THICKNESS NYLON FRAME IN |
| Purchase Description Identification | 56712-5559 |
| 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 |
|---|---|
| 5559 PRIMARY | Bird Products Corp (USA) |
NSN 6530-01-284-6773 is a Filter,respirator System, manufactured by Bird Products Corp, classified under FSC 6530, Hospital Furniture, Equipment, Utensils, and Supplies. Status: active.
NSN 6530-01-284-6773 has 1 manufacturer part number on file: 5559 (Bird Products Corp).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-561-4616. Verify interchangeability with system specifications before substitution.
Key specifications for 5559: General Characteristics Item Description: NYLON FILTER SCREEN; 48 MICRON; 1.750 INCH OVERALL DIA.; 0.060 INCH THICKNESS NYLON FRAME IN; Purchase Description Identification: 56712-5559; Part Name Assigned by Controlling Agency: FILTER RESPIRATORY SYSTEM NYLON FILTER SCREEN 1.75" OVERALL DIA; End Item Identification: 6530-01-119-7869. 2 specifications are 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.