The Cover,fluid Filter, cataloged under National Stock Number 4330-01-314-4490, 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 Gast Mfg Corp. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-314-4490 |
| Primary Part Number | AJ571 |
| Item Name | Cover,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Gast Mfg Corp |
| Status | ACTIVE |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Material | PLASTIC |
| Attachment Method | BOLTED |
| 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 |
|---|---|
| AJ571 PRIMARY | Gast Mfg Corp (USA) |
| Reference | Meaning |
|---|---|
| C5132677-3 | 5/9 Secondary reference Signals Warfare Project Manager |
| C5132677 | D/9 Drawing number reference only Signals Warfare Project Manager |
NSN 4330-01-314-4490 is a Cover,fluid Filter, manufactured by Gast Mfg Corp, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-314-4490 has 1 manufacturer part number on file: AJ571 (Gast Mfg Corp).
Key specifications for AJ571: Outside Diameter: 1.250 INCHES NOMINAL IN; Material: PLASTIC; Attachment Method: BOLTED. 3 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.