The Valve,butterfly, cataloged under National Stock Number 4810-00-152-2673, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-00-152-2673 |
| Primary Part Number | B46D40 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Recess Nominal Depth | 0.100 INCHES ALL ENDS IN |
| Flange Shape | ROUND FIRST END |
| Flange Face Design | RECESSED STRAIGHT FIRST END |
| Voltage in Volts and Current Type | 28.0 DC |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 2.000 INCHES IN |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 2.510 INCHES FIRST END IN |
| Mounting Facility | THREADED FASTENER |
| Surface Treatment | ANODIZE |
| Face to Face Distance | 4.000 INCHES IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | ALUMINUM ALLOY SEAT |
| Material | ALUMINUM ALLOY BODY |
| Valve Operation Method | SOLENOID |
| Nominal Thickness | 0.118 INCHES ALL ENDS IN |
| Recess Nominal Diameter | 2.095 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 | N |
| Part Number | Manufacturer |
|---|---|
| B46D40 PRIMARY | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| 1128SCEC405-3 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 1128SCEC405-3 | 7/9 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 4810-00-152-2673 is a Valve,butterfly, manufactured by Grimes Aerospace Company, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-152-2673 has 1 manufacturer part number on file: B46D40 (Grimes Aerospace Company).
Key specifications for B46D40: Recess Nominal Depth: 0.100 INCHES ALL ENDS IN; Flange Shape: ROUND FIRST END; Flange Face Design: RECESSED STRAIGHT FIRST END; Voltage in Volts and Current Type: 28.0 DC. 18 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.