The Valve,ball, cataloged under National Stock Number 4820-01-368-1773, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-368-1773 |
| Primary Part Number | VA6671MV-7A |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 6.562 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | CROSS FLANGED ENDS |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Nominal Outside Diameter | 7.688 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 8 ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | WATER, SALT FIRST RESPONSE |
| Media for Which Designed | WASTE PRODUCT SECOND RESPONSE |
| Material | NICKEL ALLOY STEM |
| Material | BRONZE BODY |
| Material | BRONZE FLOW CONTROL DEVICE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 0.500 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 |
|---|---|
| B-18136-1 | Hunt Valve Company, Inc. (USA) |
| VA6671MV-7A PRIMARY | Hunt Valve Company, Inc. (USA) |
| D-6671 FIG 7 | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D-6671 FIG 7 | 5/9 Secondary reference Morland Valve Co Inc Sub of Smith Valve Corp |
| B-18136-1 | 5/9 Secondary reference Morland Valve Co Inc Sub of Smith Valve Corp |
NSN 4820-01-368-1773 is a Valve,ball, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-368-1773 has 3 manufacturer part numbers on file: B-18136-1 (Hunt Valve Company, Inc.), VA6671MV-7A (Hunt Valve Company, Inc.), D-6671 FIG 7 (Hunt Valve Company, Inc.).
Key specifications for VA6671MV-7A: Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 HANDWHEEL; Flange Face Design: PLAIN ALL ENDS; Bolt Circle Nominal Diameter: 6.562 INCHES ALL ENDS IN. 24 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.