The Filter Element,fluid, cataloged under National Stock Number 4330-01-421-8112, 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 Nakakita Seisakusho Co. Ltd. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-421-8112 |
| Primary Part Number | NS 770 C NO.25 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Nakakita Seisakusho Co. Ltd |
| Status | ACTIVE |
| Flow Direction | OUTSIDE IN |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) |
| Media for Which Designed | AIR |
| Material | METAL FILTERING MEDIUM |
| 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 |
|---|---|
| KC004553 NO.25 | Nakakita Seisakusho Co. Ltd (JPN) |
| NS 770 C NO.25 PRIMARY | Nakakita Seisakusho Co. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| NS 770 C NO.25 | 3/9 Design control — primary reference Nakakita Seisakusho Co. Ltd |
| KC004553 | D/9 Drawing number reference only Nakakita Seisakusho Co. Ltd |
| KC004553 NO.25 | 5/9 Secondary reference Nakakita Seisakusho Co. Ltd |
| KC004553 PC-25 | 5/9 Secondary reference Nakakita Seisakusho Co. Ltd |
NSN 4330-01-421-8112 is a Filter Element,fluid, manufactured by Nakakita Seisakusho Co. Ltd, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-421-8112 has 2 manufacturer part numbers on file: KC004553 NO.25 (Nakakita Seisakusho Co. Ltd), NS 770 C NO.25 (Nakakita Seisakusho Co. Ltd).
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-422-7163, 4820-01-422-7776, 4820-01-422-7777. Verify interchangeability with system specifications before substitution.
Key specifications for NS 770 C NO.25: Flow Direction: OUTSIDE IN; Style Designator: CYLINDRICAL W/ CONTAINER (RIGID); Special Features: USED ON NAKAKITA CO.LTD, FILTER REGULATOR TYPR NS 770 C; Media for Which Designed: AIR. 4 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.