The Transmitter,pressure, cataloged under National Stock Number 6685-01-044-6366, 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 Automation Products Group, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-044-6366 |
| Primary Part Number | 548020-1120 |
| Item Name | Transmitter,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Automation Products Group, Inc. |
| Status | ACTIVE |
| Actuation Method | DIAPHRAGM |
| Contact Type | PIN |
| Current Type | DC |
| Mechanical Connection Quantity | 1 |
| Electrical Connection Quantity | 1 |
| Overall Diameter | 0.880 INCHES NOMINAL IN |
| Electrical Connection Identifying Number | PT1H-8-4P |
| Mounting Method | FLARED TUBE CONNECTION |
| Mechanical Connection Type | FLARED TUBE PRESSURE FITTING |
| Mechanical Connection Size | 3/16 IN. DIA IN |
| Contact Quantity | 4 |
| Mounting Device Quantity | 1 |
| Connector Controlling Agency | BENDIX |
| Voltage Rating | 10.0 VOLTS MINIMUM AND 20.0 VOLTS MAXIMUM INPUT |
| Measurement Range | +0.0 TO 3000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER |
| 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 |
|---|---|
| 548020-1120 | Automation Products Group, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 631213 | 5/9 Secondary reference Measurement Specialties Inc |
| PT-L9-C-3000-PSI-G-E-W0-PO-N0-M | 5/9 Secondary reference Scientific Technologies Inc. Dba Sti Automation Products Group Div Automation Products Group |
| PT-L9-C-3000-PSI-G-E3-W0-P43-N1- | 3/1 Design control — primary reference Automation Products Group, Inc. |
| 631213 | 5/9 Secondary reference Scientific Technologies Inc. Dba Sti Automation Products Group Div Automation Products Group |
| 99-631500 | 7/2 Vendor item drawing reference U.S. Government activity |
| 50642-3000G-001 | 5/9 Secondary reference Rogerson Kratos |
NSN 6685-01-044-6366 is a Transmitter,pressure, manufactured by Automation Products Group, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-044-6366 has 1 manufacturer part number on file: 548020-1120 (Automation Products Group, Inc.).
Key specifications for 548020-1120: Actuation Method: DIAPHRAGM; Contact Type: PIN; Current Type: DC; Mechanical Connection Quantity: 1. 16 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.