The Bracket,filter Mounting, cataloged under National Stock Number 4330-01-677-3957, 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 Naval Sea Systems Command. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bracket,filter Mounting |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-677-3957 |
| Primary Part Number | 262-8592575 FN 4 |
| Item Name | Bracket,filter Mounting |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 262-8592575 FN 4 PRIMARY | Naval Sea Systems Command (USA) |
| 8592575-004 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 262-8592575 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4330-01-677-3957 is a Bracket,filter Mounting, manufactured by Naval Sea Systems Command, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-677-3957 has 2 manufacturer part numbers on file: 262-8592575 FN 4 (Naval Sea Systems Command), 8592575-004 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 2990-01-688-3471, 2990-01-688-3472. Verify interchangeability with system specifications before substitution.
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.