The Filter Element,fluid, cataloged under National Stock Number 4330-00-152-4491, 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 Pti Technologies Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-00-152-4491 |
| Primary Part Number | 21-10547 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 1.365 INCHES NOMINAL IN |
| Body Overall Length | 6.500 INCHES NOMINAL IN |
| Filtration Rating in Microns | 40.0 NOMINAL |
| Flow Direction | OUTSIDE IN |
| Design Type | REUSABLE |
| Mesh Size | 40.0 |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Body Inside Diameter | 0.645 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| Wire Diameter | 0.093 INCHES NOMINAL IN |
| 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 |
|---|---|
| 21-10547 PRIMARY | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 21-10547 | 5/9 Secondary reference U.S. Government activity |
| 21-10547 | 5/9 Secondary reference U.S. Government activity |
NSN 4330-00-152-4491 is a Filter Element,fluid, manufactured by Pti Technologies Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-152-4491 has 1 manufacturer part number on file: 21-10547 (Pti Technologies Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-412-2701. Verify interchangeability with system specifications before substitution.
Key specifications for 21-10547: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 1.365 INCHES NOMINAL IN; Body Overall Length: 6.500 INCHES NOMINAL IN; Filtration Rating in Microns: 40.0 NOMINAL. 11 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.