The Filter Element,air Conditioning, cataloged under National Stock Number 4130-01-474-8855, 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. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-01-474-8855 |
| Primary Part Number | SDC1231USN |
| 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 |
| Filtering Media Design | LAYERED SINGLE FILTERING MEDIA RESPONSE |
| Design Type | REUSABLE |
| Material | POLYESTER (USE PCY000) FILTERING MEDIUM |
| 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 |
|---|---|
| SDC1231USN PRIMARY | Staclean Diffuser Co Llc Dba Staclean Diffuser (USA) |
| 7343928-4 | M & M Assembly, Llc Dba M & M Assembly Llc (USA) |
| Reference | Meaning |
|---|---|
| 7343928-4 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| SDC1231USN | 5/9 Secondary reference J-Mar Filters Inc |
| 7343928 | D/9 Drawing number reference only Naval Sea Systems Command |
| BJC1231 | 5/9 Secondary reference Bjc Sales Inc Co |
| USE LL-H54-5538 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4130-01-474-8855 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 4130-01-474-8855 has 2 manufacturer part numbers on file: SDC1231USN (Staclean Diffuser Co Llc Dba Staclean Diffuser), 7343928-4 (M & M Assembly, Llc Dba M & M Assembly Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4130-01-474-8862, 4130-01-531-0891. Verify interchangeability with system specifications before substitution.
Key specifications for SDC1231USN: Filtering Media Design: LAYERED SINGLE FILTERING MEDIA RESPONSE; Design Type: REUSABLE; Special Features: USED IN GENERAL VENTILATION FOR REMOVING PARTICULATE MATTER(INCLUDING WATER);LAYERS BOUND TOGETHER FORM A PAD (INTERNAL MEDIA);STAINLESS STEEL RETAINING STRIP;PULL LOOP SEWN INTO FILTER.; End Item Identification: CPS; 6264204; SACPS; 6573987. 3 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.