The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-131-9706, 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 Avitest Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-131-9706 |
| Primary Part Number | ASC321-105-1 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Avitest Llc |
| Status | ACTIVE |
| Scale Accuracy | PORM 3 PCT ENTIRE RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 3.688 INCHES NOMINAL IN |
| Mounting Method | THREADED STEM |
| Scale Smallest Increment | 25.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 3000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 IN. DIA IN |
| Connection Location | BOTTOM |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. NPT DIA 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 |
|---|---|
| ASC321-105-1 PRIMARY | Avitest Llc (USA) |
| Reference | Meaning |
|---|---|
| ASC321-105-1 | 3/9 Design control — primary reference Aviation Technology, Inc. |
NSN 6685-01-131-9706 is a Gage,pressure,dial Indicating, manufactured by Avitest Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-131-9706 has 1 manufacturer part number on file: ASC321-105-1 (Avitest Llc).
Key specifications for ASC321-105-1: Scale Accuracy: PORM 3 PCT ENTIRE RANGE; Scale Name: PRESSURE; Overall Diameter: 3.688 INCHES NOMINAL IN; Mounting Method: THREADED STEM. 15 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.