The Separator,inner, cataloged under National Stock Number 4330-01-200-0892, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Industrial Service and Supply, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-200-0892 |
| Primary Part Number | 535659A1 |
| Item Name | Separator,inner |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Industrial Service and Supply, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL |
| 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 |
|---|---|
| H5321436-A1 PIECE 12 | Industrial Service and Supply, Inc (USA) |
| 535659A1 PRIMARY | Industrial Service and Supply, Inc (USA) |
| Reference | Meaning |
|---|---|
| 535659A1 | 5/9 Secondary reference Elsag Bailey Inc |
| H5321436-A1 | D/9 Drawing number reference only Industrial Service and Supply, Inc |
| H5321436-A1 | D/9 Drawing number reference only Elsag Bailey Inc |
| H5321436-A1 PIECE 12 | 5/9 Secondary reference Elsag Bailey Inc |
NSN 4330-01-200-0892 is a Separator,inner, manufactured by Industrial Service and Supply, Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-200-0892 has 2 manufacturer part numbers on file: H5321436-A1 PIECE 12 (Industrial Service and Supply, Inc), 535659A1 (Industrial Service and Supply, Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4330-01-200-0946, 4330-01-200-5644, 4820-01-200-8561. Verify interchangeability with system specifications before substitution.
Key specifications for 535659A1: General Characteristics Item Description: STEEL; End Item Identification: BAILEY CONTROLS CO MODEL 5321436A1 AIR FILTER. 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.