The Valve,ball, cataloged under National Stock Number 4820-01-186-5986, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-186-5986 |
| Primary Part Number | 2689605 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST ENDEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END |
| Style Designator | STRAIGHT THRUSTRAIGHT THRU |
| Thread Direction | RIGHT-HAND SECOND ENDRIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES SECOND END0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END0.750 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END37.0 DEGREES FIRST END |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSEHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Thread Class | 3A FIRST END3A FIRST END A |
| Material | ALUMINUM FLOW CONTROL DEVICE |
| Material | ALUMINUM BODY |
| Thread Series Designator | UNF FIRST ENDUNF FIRST END |
| Thread Series Designator | NPT SECOND ENDNPT SECOND END |
| Valve Operation Method | MANUALMANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-186-5986 is a Valve,ball, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-186-5986 has 2 manufacturer part numbers on file: 2689605 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2689605 (Bae Systems Land & Armaments L.p.).
Key specifications for 2689605: Connection Style: PLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST ENDEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND ENDTHREADED EXTERNAL PIPE SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END. 17 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.