The Valve,ball, cataloged under National Stock Number 4820-01-230-6560, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-230-6560 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES ALL ENDS |
| Renewable Seat Ring Type | PRESSED-IN |
| Flange Face Design | PLAIN ALL ENDS |
| Nominal Length | 1.750 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.250 INCHES ALL ENDS IN |
| Valve Size | 0.440 INCHES IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.250 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Nominal Width | 1.750 INCHES ALL ENDS IN |
| Face to Face Distance | 0.813 INCHES IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.250 INCHES ALL ENDS IN |
| Material | STEEL COMP 316 OVERALL |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.813 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 466T-NP 1/2 IN | 3/9 Design control — primary reference U.S. Government activity |
| 1-2-466TNP | 5/9 Secondary reference U.S. Government activity |
| 466T-NP | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-230-6560 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-230-6560: Flange Shape: RECTANGULAR WITH HOLES ALL ENDS; Renewable Seat Ring Type: PRESSED-IN; Flange Face Design: PLAIN ALL ENDS; Nominal Length: 1.750 INCHES ALL ENDS IN. 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.