The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-253-1118, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-253-1118 |
| Primary Part Number | 2601225-3CP |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Scale Accuracy | 2 PCT OF FULL SCALE |
| Scale Name | INCHES OF WATER |
| Overall Diameter | 3.125 INCHES NOMINAL IN |
| Actuation Type | BELLOWS |
| Mounting Connection Location | ON 4 CORNERS |
| Mounting Method | HOLE |
| Criticality Code Justification | ZZZY |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 60.0 INCHES OF WATER IN |
| Scale Type | VERTICAL |
| Dial Size | 3 IN DIA IN |
| Bolt Circle Diameter | 3.500 INCHES NOMINAL IN |
| Connection Location | BACK, CENTER |
| Material | STEEL CORROSION RESISTING CASE |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Connection Quantity | 2 |
| Connection Size | 0.125 IN NPT FEMALE IN |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 2601225-3CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2601225-3 | 3/1 Design control — primary reference Cosmodyne, Llc Dba Cosmodyne Llc |
NSN 6685-01-253-1118 is a Gage,pressure,dial Indicating, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-253-1118 has 1 manufacturer part number on file: 2601225-3CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2601225-3CP: Mounting Hole Quantity: 4; Scale Accuracy: 2 PCT OF FULL SCALE; Scale Name: INCHES OF WATER; Overall Diameter: 3.125 INCHES NOMINAL IN. 19 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.