The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-222-1306, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-222-1306 |
| Primary Part Number | 135378 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Name | PRESSURE |
| Overall Diameter | 3.560 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | FLUSH PANEL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 10.000 POUNDS LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.000 TO 100.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.173 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN. DIA IN |
| Graduation Unit | 10.000 POUNDS LBS |
| Bolt Circle Diameter | 3.188 INCHES NOMINAL IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Material | STEEL CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 1/8 IN. NPT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 135378 PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
| Reference | Meaning |
|---|---|
| 2 1-2 1DFFM1-8CBM100 | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| 10FFM2-1-2-100 | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| 10FFM2 1-2 100 | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| 1435-215 | 5/9 Secondary reference Liquidonics Industries Inc |
| 2 1-2 1DFFM1-8CBM100 | C/1 Advisory reference — outside the item-of-supply concept Bellofram Corporation |
| 1435-215 | 5/9 Secondary reference Applied Hydro-Pneumatics Inc |
| 68A4C147 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 10FFM2-112-100 | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
NSN 6685-00-222-1306 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-222-1306 has 1 manufacturer part number on file: 135378 (Ametek, Inc. Div Aerospace & Defense).
Key specifications for 135378: Mounting Hole Quantity: 3; Scale Name: PRESSURE; Overall Diameter: 3.560 INCHES NOMINAL IN; Actuation Type: SINGLE BOURDON TUBE. 25 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.