The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-233-7750, 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 Mako Compressors, Llc. Government technical data includes 8 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-233-7750 |
| Primary Part Number | M2259 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Mako Compressors, Llc |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Mounting Method | FLUSH |
| Scale Range | +0.0 TO 7500.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Scale Type | SINGLE |
| Graduation Unit | 1500.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK, CENTER |
| Connection Quantity | 1 |
| 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 |
|---|---|
| M2259 PRIMARY | Mako Compressors, Llc (USA) |
NSN 6685-01-233-7750 is a Gage,pressure,dial Indicating, manufactured by Mako Compressors, Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-233-7750 has 1 manufacturer part number on file: M2259 (Mako Compressors, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-321-0163. Verify interchangeability with system specifications before substitution.
Key specifications for M2259: Scale Name: PRESSURE; Overall Diameter: 3.000 INCHES NOMINAL IN; Mounting Method: FLUSH; Scale Range: +0.0 TO 7500.0 POUNDS PRESSURE PER SQUARE INCH LBS. 8 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.