The Case,diaphragm,valve, cataloged under National Stock Number 4820-01-221-4360, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-221-4360 |
| Primary Part Number | AA80218 PC501BSS |
| Item Name | Case,diaphragm,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AA80218 PC501BSS | Naval Inventory Control Point Mechanicsburg (USA) |
| AA80218 PC 501B | Naval Inventory Control Point Mechanicsburg (USA) |
| GZ68512SS | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 30068512-915 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc Dba Honeywell Div Honeywell Building Solutions |
| GZ68512 | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-221-4360 is a Case,diaphragm,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-221-4360 has 3 manufacturer part numbers on file: AA80218 PC501BSS (Naval Inventory Control Point Mechanicsburg), AA80218 PC 501B (Naval Inventory Control Point Mechanicsburg), GZ68512SS (Naval Inventory Control Point Mechanicsburg).
Key specifications for AA80218 PC501BSS: Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR SUBSAFE ITEMS. 1 specification is 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.