The Filter Element,fluid, cataloged under National Stock Number 4330-01-369-9188, 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 Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-369-9188 |
| Primary Part Number | 27621 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| Status | ACTIVE |
| Filtering Media Design | SINTERED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 1.120 INCHES NOMINAL IN |
| Body Overall Length | 1.000 INCHES NOMINAL IN |
| Flow Direction | OUTSIDE IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FILTERING MEDIUM |
| Design Type | LIMITED |
| Mounting Flange Bolt Hole Quantity | 3 |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) AND MOUNTING FLANGE |
| Material Document and Classification | AISI TYPE 300 ASSN STD SINGLE MATERIAL RESPONSE FILTERING MEDIUM |
| Filtering System for Which Designed | FULL FLOW |
| Mounting Flange Thickness | 0.050 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE FILTERING MEDIUM |
| Mounting Flange Bolt Hole Diameter | 0.180 INCHES NOMINAL IN |
| Media for Which Designed | AIR |
| Mounting Flange Bolt Circle Diameter | 1.575 INCHES NOMINAL IN |
| Mounting Flange Diameter | 2.000 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| Filtering Surface Area | 0.020 SQUARE FEET |
| 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 |
|---|---|
| 1208905 | Lockheed Martin Corporation Div Rms (USA) |
| 27621 PRIMARY | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| Reference | Meaning |
|---|---|
| 6190949 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 1208905 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 4330-01-369-9188 is a Filter Element,fluid, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-369-9188 has 2 manufacturer part numbers on file: 1208905 (Lockheed Martin Corporation Div Rms), 27621 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div).
1 possible match (shared part number, not a government interchangeability claim): 5133-01-443-3079. Verify interchangeability with system specifications before substitution.
Key specifications for 27621: Filtering Media Design: SINTERED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 1.120 INCHES NOMINAL IN; Body Overall Length: 1.000 INCHES NOMINAL IN; Flow Direction: OUTSIDE IN. 18 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.