The Gage,vacuum,indicating, cataloged under National Stock Number 6685-00-556-8527, 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 12 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6685-00-556-8527 |
| Primary Part Number | AW1821AB08 |
| Item Name | Gage,vacuum,indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | CANCELLED |
| Mounting Hole Quantity | 4 |
| Unable to Decode | UNABLE TO DECODE |
| Scale Accuracy | 2 PCT ENTIRE RANGE |
| Scale Smallest Increment | 0.2 INCHES IN |
| Scale Name | PRESSURE-VACUUM |
| Dial Size | 1-7/8 IN. DIA IN |
| Adjustability | NONADJUSTABLE |
| Scale Inscription/background Color | LUMINOUS FIGURES ON BLACK BACKGROUND |
| Material | GLASS PROTECTIVE CRYSTAL |
| Connection Size | 0.438-20 IN. THD IN |
| Connection Type | INTERNAL |
| Graduation Unit | 1.0 INCHES IN |
| Bezel Type | THREAD |
| Material | PLASTIC LOCATION NOT OTHERWISE SPECIFIED |
| Connector Type Vent | NOT PROVIDED |
| Scale Range | +0.0 TO 10.0 INCHES OF MERCURY IN |
| Connection Quantity | 2 |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Mounting Method | FLUSH PANEL |
| Surface Treatment | PAINT LOCATION NOT OTHERWISE SPECIFIED |
| Connection Location | BACK |
| Material | PLASTIC CASE |
| Usage Design | FOR USE WITH AIRCRAFT SUCTION SYSTEM |
| Pointer Type | INDICATING |
| Actuation Type | DIAPHRAGM |
| Scale Type | SINGLE |
| Bolt Circle Diameter | 2.625 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AW1821AB08 | Ametek, Inc. Div Aerospace & Defense (USA) |
| AW1821AB02 | Ametek, Inc. Div Aerospace & Defense (USA) |
| MIL-G-7734 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AW1821AB01 | Ametek, Inc. Div Aerospace & Defense (USA) |
| 6704-152 | Ashcroft Inc Dba Heise (USA) |
| 651966 | Raytheon Company Dba Raytheon (USA) |
| AW1 7-8 21Q | Ametek, Inc. Div Aerospace & Defense (USA) |
| AW1 7-8 21LF6 | Ametek, Inc. Div Aerospace & Defense (USA) |
| 200 | Collens Instrument Co (USA) |
| 6701-185 | Ashcroft Inc Dba Heise (USA) |
| MS28061T4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AW1-7-8-21AK2 | Ametek, Inc. Div Aerospace & Defense (USA) |
NSN 6685-00-556-8527 is a Gage,vacuum,indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: cancelled.
NSN 6685-00-556-8527 has 12 cross-referenced part numbers: AW1821AB08 (Ametek, Inc. Div Aerospace & Defense), AW1821AB02 (Ametek, Inc. Div Aerospace & Defense), MIL-G-7734 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AW1821AB01 (Ametek, Inc. Div Aerospace & Defense), 6704-152 (Ashcroft Inc Dba Heise) and 7 more.
There are 12 known substitutes for 6685-00-556-8527: 6620-00-045-8134, 6620-00-051-7143, 6620-00-051-7145 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AW1821AB08: Mounting Hole Quantity: 4; Overall Depth: 1.750 INCHES NOMINAL IN; Unable to Decode: UNABLE TO DECODE; Scale Accuracy: 2 PCT ENTIRE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 6685-00-556-8527 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.