The Filter Element,fluid, cataloged under National Stock Number 4330-00-192-9277, 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 Welch Vacuum Technology 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-00-192-9277 |
| Primary Part Number | 41-0660 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Welch Vacuum Technology Inc |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 1.526 INCHES NOMINAL IN |
| Body Overall Length | 2.175 INCHES NOMINAL IN |
| Flow Direction | OUTSIDE IN |
| Design Type | LIMITED |
| Mesh Size | 60.0 |
| Style Designator | CYLINDRICAL W/OUT CONTAINER |
| Body Inside Diameter | 1.485 INCHES NOMINAL IN |
| Media for Which Designed | AIR |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| Wire Diameter | 0.010 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 |
|---|---|
| 41-0660 PRIMARY | Welch Vacuum Technology Inc (USA) |
| Reference | Meaning |
|---|---|
| 41-0660 | 3/9 Design control — primary reference Sargent-Welch Scientific Co |
NSN 4330-00-192-9277 is a Filter Element,fluid, manufactured by Welch Vacuum Technology Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-192-9277 has 1 manufacturer part number on file: 41-0660 (Welch Vacuum Technology Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-974-2684. Verify interchangeability with system specifications before substitution.
Key specifications for 41-0660: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 1.526 INCHES NOMINAL IN; Body Overall Length: 2.175 INCHES NOMINAL IN; Flow Direction: OUTSIDE IN. 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.