The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-103-2853, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bellofram Corporation. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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 | 6685-00-103-2853 |
| Primary Part Number | 2 1-2 3DFM1-4CBM30X30 |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Bellofram Corporation |
| Status | CANCELLED |
| Stud Quantity | 2 |
| Connection Location | BACK, CENTER |
| Surface Treatment | ENAMEL |
| Scale Name | PRESSURE AND VACUUM |
| Stud Location | BACK |
| Material | STEEL CASE |
| Dial Size | 2-1/2 IN. DIA IN |
| Adjustability | NONADJUSTABLE |
| Pointer Color | BLACK |
| Scale Type | MULTIPLE |
| Scale Smallest Increment | 1.0 INCHES AND 1.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | GLASS PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| Unable to Decode | UNABLE TO DECODE |
| Graduation Unit | 10.0 INCHES AND 5.0 POUNDS PER SQUARE INCH LBS |
| Actuation Type | SINGLE BOURDON TUBE |
| Pointer Type | INDICATING |
| Scale Range | +0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 30.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Overall Diameter | 2.781 INCHES NOMINAL IN |
| Bezel Type | SLIPS-ON |
| Mounting Method | FLUSH PANEL |
| Scale Accuracy | 2 PCT RATING ENTIRE RANGE |
| Scale Name for Which Pointer Is Designed | PRESSURE-VACUUM |
| Connector Type Vent | NOT PROVIDED |
| Connection Size | 0.250 IN. NPT DIA IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2 1-2 3DFM1-4CBM30X30 | Bellofram Corporation (USA) |
| 45B | Liftec Inc Div Liftec, Inc. (USA) |
| 2 1-2 3DFM1-4CBM30X30 | Desco Corp Marsh Bellofram Div (USA) |
| G14528 | Liftec Inc Div Liftec, Inc. (USA) |
| 17758 | Clayton Manufacturing Company (USA) |
NSN 6685-00-103-2853 is a Gage,compound Pressure-Vacuum,di, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.
NSN 6685-00-103-2853 has 5 cross-referenced part numbers: 2 1-2 3DFM1-4CBM30X30 (Bellofram Corporation), 45B (Liftec Inc Div Liftec, Inc.), 2 1-2 3DFM1-4CBM30X30 (Desco Corp Marsh Bellofram Div), G14528 (Liftec Inc Div Liftec, Inc.), 17758 (Clayton Manufacturing Company).
There are 12 known substitutes for 6685-00-103-2853: 5330-00-424-4624, 6685-00-618-3519, 1005-00-731-0362 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2 1-2 3DFM1-4CBM30X30: Stud Quantity: 2; Connection Location: BACK, CENTER; Surface Treatment: ENAMEL; Overall Depth: 1.266 INCHES NOMINAL IN. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 6685-00-103-2853 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.