The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-557-0644, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Desco Corp Marsh Bellofram Div. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-557-0644 |
| Primary Part Number | 9DFFM |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Desco Corp Marsh Bellofram Div |
| Status | ACTIVE |
| Bolt Circle Diameter | 4.312 INCHES NOMINAL IN |
| Material | STEEL ACTUATING ELEMENT |
| Mounting Hole Quantity | 3 |
| Connector Type Vent | NOT PROVIDED |
| Connection Location | LOWER BACK |
| Mounting Method | FLUSH PANEL |
| Scale Smallest Increment | 100.000 POUNDS LBS |
| Adjustability | ADJUSTABLE |
| Pointer Type | INDICATING |
| Connection Type | INTERNAL |
| Scale Type | SINGLE |
| Unable to Decode | UNABLE TO DECODE |
| Dial Size | 3-1/2 IN. DIA IN |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Range | +0.000 TO 4000.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Color | BLACK |
| Scale Name | PRESSURE |
| Bezel Type | SLIPS-ON |
| Graduation Unit | 500.000 POUNDS LBS |
| Connection Quantity | 1 |
| Actuation Type | SINGLE BOURDON TUBE |
| Scale Accuracy | PORM 1 PCT ENTIRE RANGE |
| Connection Size | PER AND10050-4 |
| Material | STEEL CASE |
| Mounting Hole Diameter | 0.218 INCHES NOMINAL IN |
| Material | GLASS PROTECTIVE CRYSTAL |
| Overall Diameter | 4.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6685-00-557-0644 is a Gage,pressure,dial Indicating, manufactured by Desco Corp Marsh Bellofram Div, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-557-0644 has 3 cross-referenced part numbers: 9DFFM (Desco Corp Marsh Bellofram Div), 4788 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc), 9DFFM (Bellofram Corporation).
There are 6 known substitutes for 6685-00-557-0644: 2010-00-213-0523, 6515-00-233-5579, 5340-00-813-2773 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9DFFM: Bolt Circle Diameter: 4.312 INCHES NOMINAL IN; Overall Depth: 1.406 INCHES NOMINAL IN; Material: STEEL ACTUATING ELEMENT; Mounting Hole Quantity: 3. 29 total characteristics are documented in the Federal Logistics Information System.