The Valve,ball, cataloged under National Stock Number 4820-01-633-6428, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Morpac Industries, Inc Div Actuator. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-633-6428 |
| Primary Part Number | 14005-4 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Morpac Industries, Inc Div Actuator |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 6.562 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 4.0 INCHES IN |
| Nominal Outside Diameter | 7.062 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 8 ALL ENDS |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 1.000 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 |
| Part Number | Manufacturer |
|---|---|
| 14005-4 PRIMARY | Morpac Industries, Inc Div Actuator (USA) |
| Reference | Meaning |
|---|---|
| 14005 | D/9 Drawing number reference only Morpac Industries, Inc Div Actuator |
NSN 4820-01-633-6428 is a Valve,ball, manufactured by Morpac Industries, Inc Div Actuator, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-633-6428 has 1 manufacturer part number on file: 14005-4 (Morpac Industries, Inc Div Actuator).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-633-6432, 2530-01-728-1572. Verify interchangeability with system specifications before substitution.
Key specifications for 14005-4: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Bolt Circle Nominal Diameter: 6.562 INCHES ALL ENDS IN; Connection Type: FLANGE 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.