The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-237-9757, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-237-9757 |
| Primary Part Number | SGJ4M1N-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 |
| 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 |
|---|---|
| J-343-1VM | Naval Inventory Control Point Mechanicsburg (USA) |
| SGJ4M1N-G PRIMARY | Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| J-343-1 | 5/9 Secondary reference Metso Minerals Industries, Inc. Dba Bulk Material Handling |
| SGJ4M1NVM | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SGJ4M1N | 5/1 Secondary reference Moeller Instrument Company, Inc. Dba Moeller Instrument Co |
NSN 6685-01-237-9757 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 6685-01-237-9757 has 2 manufacturer part numbers on file: J-343-1VM (Naval Inventory Control Point Mechanicsburg), SGJ4M1N-G (Moeller Instrument Company, Inc. Dba Moeller Instrument Co).
Key specifications for SGJ4M1N-G: Special Features: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. 0 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.