The Deflector,dirt and Liquid, cataloged under National Stock Number 4320-01-287-9368, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-287-9368 |
| Primary Part Number | 6506121 PIECES 8 AND 9 |
| Item Name | Deflector,dirt and Liquid |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Supplementary Features | W/ 2 MS51963-64 SETSCREWS,NSN 5305-00-723-9386 |
| Style Designator | ROUND, GROOVED |
| Groove Depth | 0.8135 INCHES NOMINAL IN |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Material Thickness | 1.410 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Inside Diameter | 2.001 INCHES MINIMUM AND 2.003 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Material | STEEL |
| Groove Width | 0.590 INCHES NOMINAL IN |
| Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| Mounting Hole Type | THREADED |
| 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 |
|---|---|
| 6506121 PIECES 8 AND 9 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6506121 PIECE 8 | 5/9 Secondary reference Naval Sea Systems Command |
| 6506121 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4320-01-287-9368 is a Deflector,dirt and Liquid, manufactured by Naval Sea Systems Command, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-287-9368 has 1 manufacturer part number on file: 6506121 PIECES 8 AND 9 (Naval Sea Systems Command).
Key specifications for 6506121 PIECES 8 AND 9: Mounting Hole Quantity: 2; Supplementary Features: W/ 2 MS51963-64 SETSCREWS,NSN 5305-00-723-9386; Style Designator: ROUND, GROOVED; Groove Depth: 0.8135 INCHES NOMINAL IN. 13 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.