The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-134-5442, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-134-5442 |
| Primary Part Number | 62A-4C-0280 |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Wika Holding Lp |
| Status | ACTIVE |
| Scale Accuracy | 0.066 IN. PCT OF FULL RANGE IN |
| Scale Name | DIFFERENTIAL PRESSURE |
| Actuation Type | CAPSULE |
| Scale Smallest Increment | 0.5 INCHES IN |
| Connection Type | INTERNAL |
| Scale Range | +0.0 TO 280.0 INCHES OF WATER IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Dial Size | 8-1/2 IN. DIA IN |
| Connection Location | BOTTOM |
| Surface Treatment | ANODIZE CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Material | ALUMINUM CASE |
| Connection Quantity | 2 |
| Connection Size | 0.125 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 |
|---|---|
| 62A-4C-0280 PRIMARY | Wika Holding Lp (USA) |
| Reference | Meaning |
|---|---|
| 62A-4C-0280 | 5/9 Secondary reference Siemens Water Technologies Corp. Div Wallace & Tiernan Products |
NSN 6685-01-134-5442 is a Gage,differential,dial Indicatin, manufactured by Wika Holding Lp, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-134-5442 has 1 manufacturer part number on file: 62A-4C-0280 (Wika Holding Lp).
Key specifications for 62A-4C-0280: Scale Accuracy: 0.066 IN. PCT OF FULL RANGE IN; Scale Name: DIFFERENTIAL PRESSURE; Actuation Type: CAPSULE; Scale Smallest Increment: 0.5 INCHES IN. 17 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.