The Filter,fluid, cataloged under National Stock Number 4330-01-219-9363, 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 Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4330-01-219-9363 |
| Primary Part Number | A-1628 PIECE 81 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| First Discharge Connection Type | THREADED INTERNAL TUBE HEAD SIDE |
| Design Type | REUSABLE |
| First Intake Connection Type | PLAIN FACE FLANGE HEAD SIDE |
| First Intake Flange Shape Style | ROUND W/UNTHREADED BOLT HOLES |
| First Discharge Connection Relationship to Intake Connection | NOT IDENTICAL |
| Material | STEEL BODY |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| First Intake Flange Face Style | PLAIN |
| 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 |
|---|---|
| A-1628 PIECE 81 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| 13116-01 | 5/9 Secondary reference Solventum Purification Inc. Div Filtration and Separation Division |
| A-1628 | D/9 Drawing number reference only Circor Naval Solutions Llc Dba Warren Pumps |
NSN 4330-01-219-9363 is a Filter,fluid, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-219-9363 has 1 manufacturer part number on file: A-1628 PIECE 81 (Circor Naval Solutions Llc Dba Warren Pumps).
4 possible matches (shared part number, not a government interchangeability claim): 5962-01-336-3845, 8455-01-665-8745, 8455-01-713-7652. Verify interchangeability with system specifications before substitution.
Key specifications for A-1628 PIECE 81: First Discharge Connection Type: THREADED INTERNAL TUBE HEAD SIDE; Design Type: REUSABLE; First Intake Connection Type: PLAIN FACE FLANGE HEAD SIDE; First Intake Flange Shape Style: ROUND W/UNTHREADED BOLT HOLES. 8 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.