The Flushing Block,hydraulic System, cataloged under National Stock Number 4820-01-486-6184, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-486-6184 |
| Primary Part Number | 6931036-1 |
| Item Name | Flushing Block,hydraulic System |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 BOLT AND 1 CAP SCREW |
| Port Quantity | 1 |
| Valve Model Number for Which Designed | 5489232-1 |
| Material Document and Classification | QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE AND COML, GRADE 3 CARBON STEEL, HEAT TREATED NATIONAL SPEC 2ND MATERIAL RESPONSE |
| Material | STEEL CORROSION RESISTING AND STEEL |
| 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 |
|---|---|
| 6853529 ITEM 14 | Naval Sea Systems Command (USA) |
| 6931036-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6853529 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6931036 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-486-6184 is a Flushing Block,hydraulic System, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-486-6184 has 2 manufacturer part numbers on file: 6853529 ITEM 14 (Naval Sea Systems Command), 6931036-1 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-486-6817, 5365-01-486-6830. Verify interchangeability with system specifications before substitution.
Key specifications for 6931036-1: Furnished Items and Quantity: 4 BOLT AND 1 CAP SCREW; Port Quantity: 1; Valve Model Number for Which Designed: 5489232-1; Material Document and Classification: QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE AND COML, GRADE 3 CARBON STEEL, HEAT TREATED NATIONAL SPEC 2ND MATERIAL RESPONSE. 5 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.