The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-509-7253, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-509-7253 |
| Primary Part Number | B44190-1 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Scale Accuracy | 3PCT FULL SCALE AT 70 DEG F DEGF |
| Scale Name | SUPPLY PRESSURE |
| Overall Diameter | 1.740 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | RIGID STEM |
| Scale Inscription/background Color | WHITE MARKING SCALE AND FIGURES ON BLACK BACKGROUND; WORD REFILL FROM 0 TO 1500 PSI; RED BAND DECREASING FROM 1500 TO 2200PSI, GREEN BAND INCREASING FROM 1500 TO 2200PSI; RED BAND FROM 2200 TO 2500PSI; USE NO OIL. |
| Scale Smallest Increment | 1000.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Reference Data and Literature | MFG DWG B44190 |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 2500.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | AMS 2024 FED SPEC SINGLE MATERIAL RESPONSE CASE |
| Pointer Type | INDICATING |
| Scale Type | DIAL |
| Graduation Unit | 1000.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK, CENTER |
| Pointer Color | WHITE |
| Surface Treatment | ANODIZE CASE |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM ALLOY 2024 CASE |
| Connection Quantity | 1 |
| Connection Size | 3/8-24UNF-2A A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B44190-1 PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| B44190 | D/9 Drawing number reference only Mission Systems Orchard Park Inc |
NSN 6685-01-509-7253 is a Gage,pressure,dial Indicating, manufactured by Mission Systems Orchard Park Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-509-7253 has 1 manufacturer part number on file: B44190-1 (Mission Systems Orchard Park Inc).
Key specifications for B44190-1: Scale Accuracy: 3PCT FULL SCALE AT 70 DEG F DEGF; Scale Name: SUPPLY PRESSURE; Overall Diameter: 1.740 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 22 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.