The Cover,fluid Filter, cataloged under National Stock Number 4330-01-377-6265, 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 Inventory Control Point Mechanicsburg. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-377-6265 |
| Primary Part Number | CN-1.25-862BC-A PIECE 2L1 |
| Item Name | Cover,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Length | 3.625 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 2.500 INCHES NOMINAL IN |
| Hole Quantity Along Length | 2 |
| Mounting Hole Type and Quantity | 4 PLAIN |
| Distance Between Holes Along Width | 2.500 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT |
| Hole Quantity Along Width | 2 |
| Peripheral Shape Style | SQUARE OR RECTANGULAR |
| Width | 3.625 INCHES NOMINAL IN |
| Material | STEEL |
| Hole Diameter | 0.625 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Attachment Method | BOLTED |
| Body Thickness | 1.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| CN-1.25-862BC-A PIECE 2L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| CN-1.25-862BC-A PIECE 2 | 3/1 Design control — primary reference Core Industries Inc. Dba Mueller Steam Specialty |
NSN 4330-01-377-6265 is a Cover,fluid Filter, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-377-6265 has 1 manufacturer part number on file: CN-1.25-862BC-A PIECE 2L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for CN-1.25-862BC-A PIECE 2L1: Length: 3.625 INCHES NOMINAL IN; Distance Between Holes Along Length: 2.500 INCHES NOMINAL IN; Hole Quantity Along Length: 2; Mounting Hole Type and Quantity: 4 PLAIN. 16 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.