The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-522-6020, 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 Thuemling Industrial Products Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-522-6020 |
| Primary Part Number | LFP224-7500G |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Thuemling Industrial Products Inc |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Actuation Type | BOURDON TUBE |
| Mounting Method | PANEL |
| Scale Smallest Increment | 100.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 7500.0 POUNDS PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2IN IN |
| Graduation Unit | 1500.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK |
| Pointer Color | ANY ACCEPTABLE |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 1/4IN NPT MALE IN |
| 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 |
|---|---|
| LFP224-7500G PRIMARY | Thuemling Industrial Products Inc (USA) |
| Reference | Meaning |
|---|---|
| LFP224-7500 | 5/9 Secondary reference Thuemling Industrial Products Inc |
| GAG0009S | 5/9 Secondary reference Bauer Compressors, Inc. |
| FIG 7-3-12/1 | 5/1 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 6685-01-522-6020 is a Gage,pressure,dial Indicating, manufactured by Thuemling Industrial Products Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-522-6020 has 1 manufacturer part number on file: LFP224-7500G (Thuemling Industrial Products Inc).
Key specifications for LFP224-7500G: Scale Name: PRESSURE; Actuation Type: BOURDON TUBE; Mounting Method: PANEL; Scale Smallest Increment: 100.0 POUNDS PER SQUARE INCH (PSI) LBS. 17 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.