The Bowl,sediment, cataloged under National Stock Number 4330-01-258-9449, 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 Solventum Purification Inc. Div Filtration and Separation Division. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4330-01-258-9449 |
| Primary Part Number | 83998-31 |
| Item Name | Bowl,sediment |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Solventum Purification Inc. Div Filtration and Separation Division |
| Status | ACTIVE |
| Open End Type | FLANGED |
| Largest Outside Diameter | 3.725 INCHES MINIMUM AND 3.735 INCHES MAXIMUM IN |
| Flange Securing Hole | NOT INCLUDED |
| Material Document and Classification | FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 304 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE |
| Inside Diameter | 3.320 INCHES MINIMUM AND 3.376 INCHES MAXIMUM IN |
| Material | STEEL COMP 304 |
| Closed End Hole | NOT INCLUDED |
| Closed End Shape | CONCAVE |
| Closed End Circular Recess | NOT INCLUDED |
| 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 |
|---|---|
| 83998-31 PRIMARY | Solventum Purification Inc. Div Filtration and Separation Division (USA) |
| Reference | Meaning |
|---|---|
| 64462-02 | 5/9 Secondary reference Solventum Purification Inc. Div Filtration and Separation Division |
| 11464922 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 4330-01-258-9449 is a Bowl,sediment, manufactured by Solventum Purification Inc. Div Filtration and Separation Division, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-258-9449 has 1 manufacturer part number on file: 83998-31 (Solventum Purification Inc. Div Filtration and Separation Division).
Key specifications for 83998-31: Open End Type: FLANGED; Largest Outside Diameter: 3.725 INCHES MINIMUM AND 3.735 INCHES MAXIMUM IN; Flange Securing Hole: NOT INCLUDED; Material Document and Classification: FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 304 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE. 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.