The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-531-4255, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-531-4255 |
| Primary Part Number | 1875 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Material | GLASS PROTECTIVE CRYSTAL |
| Nondefinitive Spec/std Data | 1 POLISHED |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Material | PLASTIC CASE |
| Overall Diameter | 5.812 INCHES NOMINAL IN |
| FSC Application Data | GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE |
| Actuation Type | SINGLE BOURDON TUBE |
| Adjustability | ADJUSTABLE |
| Connection Type | EXTERNAL |
| Connector Type Vent | NOT PROVIDED |
| Scale Smallest Increment | 10.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Usage Design | W/AIR,GAS,OIL OR WATER |
| Dial Size | 4-1/2 IN. DIA IN |
| Pointer Color | WHITE |
| Scale Range | +0.0 TO 1000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Graduation Unit | 100.0 POUNDS PER SQUARE INCH LBS |
| Scale Type | SINGLE |
| Pointer Type | INDICATING |
| Scale Accuracy | 1/2 OF 1 PERCENT ENTIRE RANGE |
| Connection Quantity | 1 |
| Scale Name | PRESSURE |
| Connection Location | BOTTOM |
| Mounting Method | FLUSH |
| Connection Size | 0.250 IN. NPT DIA IN |
| Scale Inscription/background Color | WHITE FIGURES ON BLACK BACKGROUND |
| Mounting Hole Quantity | 3 |
| Bolt Circle Diameter | 5.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1875 | Ametek, Inc. Div Aerospace & Defense (USA) |
| 1675-4 1-2 | Ametek, Inc. Div Aerospace & Defense (USA) |
| 1277990 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 6685-00-531-4255 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-531-4255 has 3 cross-referenced part numbers: 1875 (Ametek, Inc. Div Aerospace & Defense), 1675-4 1-2 (Ametek, Inc. Div Aerospace & Defense), 1277990 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 12 known substitutes for 6685-00-531-4255: 5950-00-086-9124, 3120-00-360-4081, 5905-00-577-7336 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1875: Mounting Hole Diameter: 0.219 INCHES NOMINAL IN; Material: GLASS PROTECTIVE CRYSTAL; Nondefinitive Spec/std Data: 1 POLISHED; Material: STEEL CORROSION RESISTING ACTUATING ELEMENT. 30 total characteristics are documented in the Federal Logistics Information System.