The Gage,absolute Pressure,dial Indi, cataloged under National Stock Number 6685-01-027-4637, 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 Wika Holding Lp. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-027-4637 |
| Primary Part Number | 61B-1A-0100 |
| Item Name | Gage,absolute Pressure,dial Indi |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Wika Holding Lp |
| Status | ACTIVE |
| Scale Accuracy | 1 PCT FULL RANGE |
| Scale Name | ABSOLUTE PRESSURE |
| Overall Diameter | 7.625 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | PANEL |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.2 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Range | +0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 6 INCH IN |
| Graduation Unit | 2.0 POUNDS PER SQUARE INCH LBS |
| Pointer Color | BLACK |
| Surface Treatment | ANODIZE CASE |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM CASE |
| 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 |
|---|---|
| 61B-1A-0100 | Wallace and Tiernan Canada Inc (CAN) |
| 61B-1A-0100 PRIMARY | Wika Holding Lp (USA) |
| Reference | Meaning |
|---|---|
| 61B-1A-0100 | 5/9 Secondary reference Siemens Water Technologies Corp. Div Wallace & Tiernan Products |
NSN 6685-01-027-4637 is a Gage,absolute Pressure,dial Indi, manufactured by Wika Holding Lp, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-027-4637 has 2 manufacturer part numbers on file: 61B-1A-0100 (Wallace and Tiernan Canada Inc), 61B-1A-0100 (Wika Holding Lp).
Key specifications for 61B-1A-0100: Scale Accuracy: 1 PCT FULL RANGE; Scale Name: ABSOLUTE PRESSURE; Overall Diameter: 7.625 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 18 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.