The Deflector,dirt and Liquid, cataloged under National Stock Number 4320-01-077-5993, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-077-5993 |
| Item Name | Deflector,dirt and Liquid |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Ozone Resistance | NOT OZONE RESISTANT |
| Style Designator | ROUND, STEPPED |
| Outside Diameter | 1.234 INCHES NOMINAL IN |
| Material Thickness | 0.188 INCHES NOMINAL IN |
| Body Length | 0.312 INCHES NOMINAL IN |
| Inside Diameter | 0.578 INCHES NOMINAL IN |
| Step Diameter | 0.750 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8455228 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 078-110 | 3/9 Design control — primary reference Marley Pump Co Div of the Marley Co Red Jacket Pumps Dept |
NSN 4320-01-077-5993 is a Deflector,dirt and Liquid, classified under FSC 4320, Power and Hand Pumps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6520-01-173-2469. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-077-5993: Mounting Hole Quantity: 1; Ozone Resistance: NOT OZONE RESISTANT; Style Designator: ROUND, STEPPED; Outside Diameter: 1.234 INCHES NOMINAL IN. 10 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.