The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-531-2019, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Marshall Excelsior Co. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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 | 6685-00-531-2019 |
| Primary Part Number | 82-4084 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Marshall Excelsior Co |
| Status | ACTIVE |
| FSC Application Data | LIQUID OXYGEN TRAILER,AIRCRAFT SERVICING |
| Material | GLASS PROTECTIVE CRYSTAL |
| Connector Type Vent | NOT PROVIDED |
| Graduation Unit | 25.0 POUNDS PER SQUARE INCH LBS |
| Connection Type | INTERNAL |
| Connection Location | BACK |
| Stud Quantity | 2 |
| Stud Location | BACK |
| Mounting Method | STUD(S) |
| Scale Accuracy | 1 PCT |
| Actuation Type | SINGLE BOURDON TUBE |
| Scale Name | PRESSURE |
| Unable to Decode | UNABLE TO DECODE |
| Scale Type | SINGLE |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Bezel Type | SLIPS-ON |
| Pointer Color | BLACK |
| Connection Quantity | 1 |
| Dial Size | 2-1/2 IN. DIA IN |
| Scale Range | +0.0 TO 125.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Adjustability | NONADJUSTABLE |
| Connection Size | 0.125 IN. NPT DIA IN |
| Pointer Type | INDICATING |
| Scale Smallest Increment | 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | BRASS CASE |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Overall Diameter | 2.844 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| P844 | Ametek, Inc. Div Aerospace & Defense (USA) |
| P644U | Ametek, Inc. Div Aerospace & Defense (USA) |
| 23B | Liftec Inc Div Liftec, Inc. (USA) |
| 644 | Ametek, Inc. Div Aerospace & Defense (USA) |
| P844U | Ametek, Inc. Div Aerospace & Defense (USA) |
| 82-4084 PRIMARY | Marshall Excelsior Co (USA) |
NSN 6685-00-531-2019 is a Gage,pressure,dial Indicating, manufactured by Marshall Excelsior Co, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-531-2019 has 6 cross-referenced part numbers: P844 (Ametek, Inc. Div Aerospace & Defense), P644U (Ametek, Inc. Div Aerospace & Defense), 23B (Liftec Inc Div Liftec, Inc.), 644 (Ametek, Inc. Div Aerospace & Defense), P844U (Ametek, Inc. Div Aerospace & Defense) and 1 more.
There are 12 known substitutes for 6685-00-531-2019: 6685-00-052-7378, 6685-00-082-1939, 6685-00-226-0948 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 82-4084: FSC Application Data: LIQUID OXYGEN TRAILER,AIRCRAFT SERVICING; Material: GLASS PROTECTIVE CRYSTAL; Overall Depth: 2.125 INCHES NOMINAL IN; Connector Type Vent: NOT PROVIDED. 30 total characteristics are documented in the Federal Logistics Information System.