The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-526-4666, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Staclean Diffuser Co Llc Dba Staclean Diffuser. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4130-01-526-4666 |
| Primary Part Number | SDC1211USN-2 |
| Item Name | Filter Element,air Conditioning |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Staclean Diffuser Co Llc Dba Staclean Diffuser |
| Status | ACTIVE |
| 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 |
|---|---|
| 501-7623775 ITEM 50 | Naval Sea Systems Command (USA) |
| SDC1211USN-2 PRIMARY | Staclean Diffuser Co Llc Dba Staclean Diffuser (USA) |
| 7343928-2 | M & M Assembly, Llc Dba M & M Assembly Llc (USA) |
| Reference | Meaning |
|---|---|
| 7343928-2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4130-01-526-4666 is a Filter Element,air Conditioning, manufactured by Staclean Diffuser Co Llc Dba Staclean Diffuser, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-526-4666 has 3 manufacturer part numbers on file: 501-7623775 ITEM 50 (Naval Sea Systems Command), SDC1211USN-2 (Staclean Diffuser Co Llc Dba Staclean Diffuser), 7343928-2 (M & M Assembly, Llc Dba M & M Assembly Llc).
Key specifications for SDC1211USN-2: Special Features: GOVERNMENT FURNISHED MATERIAL ACCORDING TO NOTE 30 ON DRAWING; Part Name Assigned by Controlling Agency: PREFILTER BAG DUEL PLY (200 CFM HOUSING); End Item Identification: SHIPALT 1005K LHA5 CPS LPAC & HPAC FILTER INSTL. 0 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.