The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-533-7333, 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 Span Instruments Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-533-7333 |
| Primary Part Number | LFP412/30"HG/0-30 PSI |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Span Instruments Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Scale Accuracy | 1 PERCENT OF SCALE |
| Scale Name | INCHES OF MERCURY AND POUNDS PRESSURE |
| Overall Diameter | 5.300 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | TOP CENTER REAR AND BOTTOM REAR |
| Mounting Method | PANEL |
| Scale Inscription/background Color | WHITE WITH BLACK MARKINGS |
| Scale Smallest Increment | 1.0 INCHES OF MERCURY (INHG) AND 0.5 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 30.0 POUNDS PER SQUARE INCH LBS |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 INCHES IN |
| Graduation Unit | 10.0 INCHES OF MERCURY AND 5.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK, CENTER |
| Pointer Color | BLACK |
| Material | PLASTIC CASE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 1/4-INCH NPT MALE |
| 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 |
|---|---|
| LFP412/30"HG/0-30 PSI PRIMARY | Span Instruments Inc (USA) |
| LFP-30-30-PSI-G 8203153 PRIMARY | Thuemling Instrument Group, Inc. (USA) |
NSN 6685-01-533-7333 is a Gage,compound Pressure-Vacuum,di, manufactured by Span Instruments Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-533-7333 has 2 manufacturer part numbers on file: LFP412/30"HG/0-30 PSI (Span Instruments Inc), LFP-30-30-PSI-G 8203153 (Thuemling Instrument Group, Inc.).
Key specifications for LFP412/30"HG/0-30 PSI: Mounting Hole Quantity: 2; Scale Accuracy: 1 PERCENT OF SCALE; Scale Name: INCHES OF MERCURY AND POUNDS PRESSURE; Overall Diameter: 5.300 INCHES NOMINAL IN. 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.