The Valve,safety Relief, cataloged under National Stock Number 4820-01-311-9464, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-311-9464 |
| Primary Part Number | NMP1112G11G0065 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Furnished Items and Quantity | 1 LEVER |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 4.750 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 2.000 INCHES IN |
| Adjustable Pressure Range | +65.0 TO 74.0 POUNDS PER SQUARE INCH LBS |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Bonnet Type | INSIDE SPRING |
| Specification/standard Data | 81349-MIL-V-24332 GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Second Connection Face to Centerline Distance | 4.000 INCHES IN |
| Nominal Outside Diameter | 6.000 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 4 ALL ENDS |
| Bonnet Attachment Method | UNION |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 4.500 INCHES IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | RUBBER FLUOROCARBON CLASS FPM PACKING |
| Material | STEEL CORROSION RESISTING STEM |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.500 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NMP1112G11G0065 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| BAMAA05SHH | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| MIL-DTL-24332 | 4/1 Identification reference U.S. Government activity |
| DL040HB2 65T74PSI | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1112 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-1112 65T74PSI.DL040HB2 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| MIL-V-24332 | 5/9 Secondary reference U.S. Government activity |
| NMP1112G11G0065 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| NMP1112G11G0065 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| BAMAA05SHH | 5/9 Secondary reference Danco Valve Company |
| NMP-1112 | D/9 Drawing number reference only Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-311-9464 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-311-9464 has 2 manufacturer part numbers on file: NMP1112G11G0065 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), BAMAA05SHH (Dante Valve Company).
Key specifications for NMP1112G11G0065: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 LEVER; Flange Face Design: PLAIN ALL ENDS. 29 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.
NSN 4820-01-311-9464 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.