The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-687-8239, 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 Moeller Instrument Company, Inc. Dba Moeller Instrument Co. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-687-8239 |
| Primary Part Number | SGF4M7Y-G |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Moeller Instrument Company, Inc. Dba Moeller Instrument Co |
| Status | ACTIVE |
| Scale Name | POUNDS PER SQUARE INCH |
| Actuation Type | BOURDON TUBE |
| Mounting Method | SURFACE |
| Scale Inscription/background Color | WHITE BACKGROUND WITH BLACK INSCRIPTIONS |
| Connection Type | NIPPLE |
| Scale Range | +0.0 TO 300.0 POUNDS PER SQUARE INCH LBS |
| Scale Name for Which Pointer Is Designed | POUNDS PRESSURE |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 IN IN |
| Graduation Unit | 5.0 INCHES IN |
| Connection Location | BOTTOM |
| Pointer Color | BLACK |
| Surface Treatment | ANODIZE CASE |
| Material | COPPER ALLOY AND NICKEL ALLOY AND IRON ALLOY ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM AND BRASS AND STEEL CORROSION RESISTING CASE |
| Connection Quantity | 1 |
| Connection Size | 1/4 NPS 6" |
| 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 |
|---|---|
| SGF4M7Y-G PRIMARY | Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| MIL-G-18997 | 4/1 Identification reference U.S. Government activity |
NSN 6685-01-687-8239 is a Gage,pressure,dial Indicating, manufactured by Moeller Instrument Company, Inc. Dba Moeller Instrument Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-687-8239 has 1 manufacturer part number on file: SGF4M7Y-G (Moeller Instrument Company, Inc. Dba Moeller Instrument Co).
Key specifications for SGF4M7Y-G: Scale Name: POUNDS PER SQUARE INCH; Actuation Type: BOURDON TUBE; Mounting Method: SURFACE; Scale Inscription/background Color: WHITE BACKGROUND WITH BLACK INSCRIPTIONS. 21 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.