The Valve,ball, cataloged under National Stock Number 4820-01-691-2041, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker Hannifin Corp. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-691-2041 |
| Primary Part Number | 12A-B8LJ2-BN-SSP |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker Hannifin Corp |
| Status | ACTIVE |
| Flange Shape | HEXAGON ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.75 INCHES ALL ENDS IN |
| Second Connection Face to Centerline Distance | 2.21 INCHES IN |
| Media for Which Designed | GAS, NATURAL SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 2.21 INCHES IN |
| Material | STEEL BODY |
| Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT |
| 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 |
|---|---|
| 12A-B8LJ2-BN-SSP PRIMARY | Parker Hannifin Corp (USA) |
NSN 4820-01-691-2041 is a Valve,ball, manufactured by Parker Hannifin Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-691-2041 has 1 manufacturer part number on file: 12A-B8LJ2-BN-SSP (Parker Hannifin Corp).
Key specifications for 12A-B8LJ2-BN-SSP: Flange Shape: HEXAGON ALL ENDS; Connection Type: FLANGE ALL ENDS; Style Designator: STRAIGHT THRU; Thread Direction: RIGHT-HAND ALL ENDS. 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.