The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-944-0094, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-944-0094 |
| Primary Part Number | P645FF |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Material | COPPER ALLOY AND STEEL CASE |
| Material | BRONZE ACTUATING ELEMENT |
| Material | GLASS PROTECTIVE CRYSTAL |
| Surface Treatment | ENAMEL CASE |
| Bolt Circle Diameter | 2.500 INCHES NOMINAL IN |
| Scale Accuracy | 2 PCT MIDDLE HALF OF RANGE |
| Connector Type Vent | NOT PROVIDED |
| Scale Name | PRESSURE |
| Scale Range | +0.000 TO 160.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.141 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Graduation Unit | 20.0 POUNDS LBS |
| Connection Size | 0.125 IN. NPT DIA IN |
| Pointer Type | INDICATING |
| Dial Size | 2 IN. DIA IN |
| Adjustability | NONADJUSTABLE |
| Bezel Type | SNAP-ON |
| Connection Quantity | 1 |
| Connection Location | BACK |
| Scale Type | SINGLE |
| Scale Smallest Increment | 5.0 POUNDS LBS |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Mounting Method | SEMIFLUSH PANEL |
| Connection Type | EXTERNAL |
| Pointer Color | BLACK |
| Mounting Hole Quantity | 3 |
| Overall Diameter | 2.840 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6685-00-944-0094 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-944-0094 has 2 cross-referenced part numbers: P645FF (Ametek, Inc. Div Aerospace & Defense), A4714-3 (Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies).
There are 9 known substitutes for 6685-00-944-0094: 6685-00-074-4669, 6685-00-489-0727, 6685-00-527-7191 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for P645FF: Overall Depth: 1.090 INCHES NOMINAL IN; Material: COPPER ALLOY AND STEEL CASE; Material: BRONZE ACTUATING ELEMENT; Material: GLASS PROTECTIVE CRYSTAL. 28 total characteristics are documented in the Federal Logistics Information System.