The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-237-1202, 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 Bellofram Corporation. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-237-1202 |
| Primary Part Number | SFMH6IN |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 1/4 OF1 PERCENT ENTIRE RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 7.797 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | PANEL |
| Scale Inscription/background Color | WHITE FIGURES ON BLACK BACKGROUND |
| Scale Smallest Increment | 100.000 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | INTERNAL |
| Scale Range | +0.000 TO 20000.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.190 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 6 IN. DIA IN |
| Graduation Unit | 2000.000 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 7.000 INCHES NOMINAL IN |
| Connection Location | BACK, LOWER |
| Pointer Color | WHITE |
| Surface Treatment | ENAMEL BAKED CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL COMP 4130 ACTUATING ELEMENT |
| Material | ALUMINUM AND ALUMINUM ALLOY CASE |
| Connection Quantity | 1 |
| Bezel Type | HINGE |
| Connection Size | 1/8-27 NPT |
| 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 |
|---|---|
| SFMH6IN | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| CC1-204 | 3/9 Design control — primary reference Del Mar Avionics, Llc |
| SFMH6IN | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
NSN 6685-00-237-1202 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-237-1202 has 1 manufacturer part number on file: SFMH6IN (Bellofram Corporation).
Key specifications for SFMH6IN: Mounting Hole Quantity: 3; Scale Accuracy: 1/4 OF1 PERCENT ENTIRE RANGE; Scale Name: PRESSURE; Overall Diameter: 7.797 INCHES NOMINAL IN. 27 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.