The Manometer,digital,o, cataloged under National Stock Number 4920-01-474-1649, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Aerospace Control Products, Inc. Dba Aerospace Control Products Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-474-1649 |
| Primary Part Number | M45-DM-40/40 |
| Item Name | Manometer,digital,o |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Aerospace Control Products, Inc. Dba Aerospace Control Products Inc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 120.0 AC |
| General Characteristics Item Description | 3 DIGIT LCD, .1 INCH H2O RESOLUTION,PRESSURE INPUT -15 TO +40 H2O DIFFERENTIAL STANDARD,PROOF PRESSURE 450 INCHES H2O, BURST PRESSURE 750 INCHES H2O 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 |
|---|---|
| M45-DM-40/40 PRIMARY | Aerospace Control Products, Inc. Dba Aerospace Control Products Inc (USA) |
| Reference | Meaning |
|---|---|
| M45-DM-40/40 | 5/9 Secondary reference Schneider Electric Usa, Inc. |
NSN 4920-01-474-1649 is a Manometer,digital,o, manufactured by Aerospace Control Products, Inc. Dba Aerospace Control Products Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-474-1649 has 1 manufacturer part number on file: M45-DM-40/40 (Aerospace Control Products, Inc. Dba Aerospace Control Products Inc).
Key specifications for M45-DM-40/40: Overall Height: 3.500 INCHES NOMINAL IN; Voltage in Volts and Current Type: 120.0 AC; General Characteristics Item Description: 3 DIGIT LCD, .1 INCH H2O RESOLUTION,PRESSURE INPUT -15 TO +40 H2O DIFFERENTIAL STANDARD,PROOF PRESSURE 450 INCHES H2O, BURST PRESSURE 750 INCHES H2O IN; Overall Length: 8.000 INCHES NOMINAL IN. 2 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.