The Filtering Disk,fluid, cataloged under National Stock Number 4330-00-977-9516, 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 Stahl, Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-00-977-9516 |
| Primary Part Number | C30238-1 |
| Item Name | Filtering Disk,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Stahl, Inc |
| Status | ACTIVE |
| Filtering Media Design | PERFORATED FIRST FILTERING MEDIA RESPONSE |
| Filtering Media Design | PLEATED SECOND FILTERING MEDIA RESPONSE |
| Body Diameter | 3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN |
| Filtration Rating in Microns | 10.0 NOMINAL |
| Design Type | LIMITED |
| Style Designator | ROUND (BASICALLY FLAT W/ OPENING) |
| Body Inside Diameter | 0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN |
| Material | METAL FILTERING MEDIUM |
| Body Thickness | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM 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 |
|---|---|
| AC2075E1 | Pall Gmbh (DEU) |
| AC2075E1 | Pall Aeropower Corporation (USA) |
| L220686-1 | Raytheon Company Dba Raytheon Co (USA) |
| AC4305E101 | Pall Gmbh (DEU) |
| C30238-1 PRIMARY | Stahl, Inc (USA) |
| Reference | Meaning |
|---|---|
| 031375 | 5/2 Secondary reference U.S. Government activity |
| 031375-50 | 5/9 Secondary reference U.S. Government activity |
| C30238-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4330-00-977-9516 is a Filtering Disk,fluid, manufactured by Stahl, Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-00-977-9516 has 5 manufacturer part numbers on file: AC2075E1 (Pall Gmbh), AC2075E1 (Pall Aeropower Corporation), L220686-1 (Raytheon Company Dba Raytheon Co), AC4305E101 (Pall Gmbh), C30238-1 (Stahl, Inc).
Key specifications for C30238-1: Filtering Media Design: PERFORATED FIRST FILTERING MEDIA RESPONSE; Filtering Media Design: PLEATED SECOND FILTERING MEDIA RESPONSE; Body Diameter: 3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN; Filtration Rating in Microns: 10.0 NOMINAL. 9 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.