The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-667-7423, 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 Mcdaniel Control 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-667-7423 |
| Primary Part Number | A5 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Mcdaniel Control Inc |
| Status | ACTIVE |
| Scale Accuracy | 1/2 PERCENT FULL SCALE ASME B40.1 GRADE 2A A |
| Scale Name | POUNDS PER SQUARE INCH |
| Overall Diameter | 4.41 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | CONNECTION |
| Scale Range | +0.0 TO 5.0 POUNDS OF VACUUM PER SQUARE INCH LBS |
| Material Document and Classification | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT |
| Material Document and Classification | AISI 0304 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Pointer Type | INDICATING |
| Scale Type | CIRCULAR |
| Dial Size | 4 INCHES IN |
| Connection Location | BOTTOM |
| Material | STEEL COMP 304 CASE |
| Material | STEEL COMP 316 ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 1/4 INCH NPT 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 |
|---|---|
| A5 PRIMARY | Mcdaniel Control Inc (USA) |
NSN 6685-01-667-7423 is a Gage,pressure,dial Indicating, manufactured by Mcdaniel Control Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-667-7423 has 1 manufacturer part number on file: A5 (Mcdaniel Control Inc).
Key specifications for A5: Overall Height: 5.665 INCHES NOMINAL IN; Scale Accuracy: 1/2 PERCENT FULL SCALE ASME B40.1 GRADE 2A A; Scale Name: POUNDS PER SQUARE INCH; Overall Diameter: 4.41 INCHES NOMINAL IN. 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.