The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-677-7411, 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 21 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 | 6685-01-677-7411 |
| Primary Part Number | 451279PS02B100# |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | PLUS OR MINUS 0.5 PERCENT OF SPAN |
| Scale Name | POUNDS PER SQUARE INCH |
| Actuation Type | BOURDON TUBE |
| Mounting Method | STEM AND SURFACE |
| Scale Inscription/background Color | WHITE BACKGROUND, BLACK SCALE |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 100.0 POUNDS PER SQUARE INCH LBS |
| Scale Name for Which Pointer Is Designed | POUNDS PRESSURE |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Dial Size | 4.5 INCHES IN |
| Bolt Circle Diameter | 5.375 INCHES NOMINAL IN |
| Connection Location | BACK, LOWER |
| Pointer Color | BLACK |
| Material | NICKEL ALLOY ACTUATING ELEMENT |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | PLASTIC PHENOLIC CASE |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| 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 |
|---|---|
| 451279PS02B100# PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 6685-01-677-7411 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-677-7411 has 1 manufacturer part number on file: 451279PS02B100# (Ashcroft Inc Dba Heise).
Key specifications for 451279PS02B100#: Mounting Hole Quantity: 3; Overall Height: 5.525 INCHES NOMINAL IN; Scale Accuracy: PLUS OR MINUS 0.5 PERCENT OF SPAN; Scale Name: POUNDS PER SQUARE INCH. 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.