The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-840-3749, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-840-3749 |
| Primary Part Number | 1931T |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Connection Location | LOWER |
| Adjustability | ADJUSTABLE |
| Dial Size | 4-1/2 IN. DIA IN |
| Connection Type | EXTERNAL |
| Nondefinitive Spec/std Data | 1 POLISHED |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | COPPER ALLOY AND IRON CASE |
| Connection Quantity | 1 |
| Pointer Type | INDICATING |
| Scale Accuracy | 0.5 PCT FULL SCALE |
| Actuation Type | SINGLE BOURDON TUBE |
| Connector Type Vent | NOT PROVIDED |
| Scale Name | PRESSURE |
| Usage Design | W/AIR |
| Scale Inscription/background Color | BLACK NUMERALS ON WHITE BACKGROUND |
| Graduation Unit | 50.000 POUNDS PER SQUARE INCH LBS |
| Scale Range | +0.0 TO 600.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Scale Smallest Increment | 5.000 POUNDS PER SQUARE INCH (PSI) LBS |
| Bezel Type | THREAD |
| Connection Size | 0.250 IN. NPT IN |
| Pointer Color | BLACK |
| Mounting Method | RIGID STEM |
| Scale Type | SINGLE |
| Overall Diameter | 5.810 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1931T | Ametek, Inc. Div Aerospace & Defense (USA) |
| 7907648 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 133080 | Ametek, Inc. Div Aerospace & Defense (USA) |
| 1830T | Ametek, Inc. Div Aerospace & Defense (USA) |
NSN 6685-00-840-3749 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-840-3749 has 4 cross-referenced part numbers: 1931T (Ametek, Inc. Div Aerospace & Defense), 7907648 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 133080 (Ametek, Inc. Div Aerospace & Defense), 1830T (Ametek, Inc. Div Aerospace & Defense).
There are 10 known substitutes for 6685-00-840-3749: 6625-00-053-8154, 6685-00-234-8989, 6625-00-464-2144 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1931T: Connection Location: LOWER; Adjustability: ADJUSTABLE; Dial Size: 4-1/2 IN. DIA IN; Connection Type: EXTERNAL. 27 total characteristics are documented in the Federal Logistics Information System.