The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-526-6931, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-526-6931 |
| Primary Part Number | P644U |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Surface Treatment | ENAMEL CASE |
| Material | STEEL CASE |
| Connection Type | EXTERNAL |
| Actuation Type | SINGLE BOURDON TUBE |
| Stud Quantity | 2 |
| Unable to Decode | UNABLE TO DECODE |
| Connection Quantity | 1 |
| Pointer Type | INDICATING |
| Pointer Color | WHITE |
| Scale Name for Which Pointer Is Designed | PRESSURE-VACUUM |
| Scale Name | PRESSURE AND VACUUM |
| Scale Accuracy | 2 PERCENT RATING MIDDLE HALF OF RANGE,3 PERCENT REMAINDER; 3 PERCENT RATING ENTIRE RANGE |
| Scale Smallest Increment | 5.0 INCHES AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Inscription/background Color | WHITE FIGURES ON BLACK BACKGROUND |
| Connector Type Vent | NOT PROVIDED |
| Connection Size | 0.125 IN. NPT DIA IN |
| Bezel Type | PRESSED ON W/ RETAINING BEZEL RING |
| Stud Location | BACK |
| Graduation Unit | 30.0 DEG FAHRENHEIT AND 25.0 POUNDS PER SQUARE INCH LBS |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Scale Type | MULTIPLE |
| Dial Size | 2-1/2 IN. DIA IN |
| Adjustability | NONADJUSTABLE |
| Connection Location | BACK, CENTER |
| Mounting Method | FLUSH PANEL |
| Scale Range | +0.0 TO 30.0 INCHES OF MERCURY AND +25.0 TO 150.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Overall Diameter | 2.813 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6685-00-526-6931 is a Gage,compound Pressure-Vacuum,di, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-526-6931 has 2 cross-referenced part numbers: P644U (Ametek, Inc. Div Aerospace & Defense), AD93 (Rivers Bill Corp Coldmobile Div).
There are 5 known substitutes for 6685-00-526-6931: 6685-00-515-5385, 6685-00-531-2019, 6685-00-581-2688 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for P644U: Overall Depth: 1.078 INCHES NOMINAL IN; Material: GLASS PROTECTIVE CRYSTAL; Surface Treatment: ENAMEL CASE; Material: STEEL CASE. 29 total characteristics are documented in the Federal Logistics Information System.