The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-658-7909, 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 Ashcroft Inc Dba Heise. Government technical data includes 19 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 | 6685-01-658-7909 |
| Primary Part Number | 45-1127-SD-02-B-SH-10 |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Scale Name | DIFFERENTIAL PRESSURE |
| Actuation Type | BOURDON TUBE |
| Scale Inscription/background Color | WHITE BACKGROUND BLACK SCALE |
| Scale Smallest Increment | 0.2 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 10.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT |
| Scale Type | ARC |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4.5 INCH IN |
| Graduation Unit | 2.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Surface Treatment | PAINT EPOXY LOCATION NOT OTHERWISE SPECIFIED |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED |
| Material | ALUMINUM CASE |
| Material | STEEL COMP 316 ACTUATING ELEMENT |
| Connection Size | 1/4 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 |
|---|---|
| 45-1127-SD-02-B-SH-10 PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 6685-01-658-7909 is a Gage,differential,dial Indicatin, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-658-7909 has 1 manufacturer part number on file: 45-1127-SD-02-B-SH-10 (Ashcroft Inc Dba Heise).
Key specifications for 45-1127-SD-02-B-SH-10: Scale Name: DIFFERENTIAL PRESSURE; Actuation Type: BOURDON TUBE; Scale Inscription/background Color: WHITE BACKGROUND BLACK SCALE; Scale Smallest Increment: 0.2 POUNDS PER SQUARE INCH (PSI) LBS. 19 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.