The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-644-6527, 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 8 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-644-6527 |
| Primary Part Number | 50104705 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Wika Holding Lp |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Overall Diameter | 2.5 INCHES NOMINAL IN |
| Scale Range | -0.01 TO 3000.00 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Scale Type | ARC |
| Pointer Color | BLACK |
| Material | STEEL CORROSION RESISTING CASE |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| 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 |
|---|---|
| 213.53.25"".0-3000PSI | Wika Holding Lp (USA) |
| 50104705 PRIMARY | Wika Holding Lp (USA) |
NSN 6685-01-644-6527 is a Gage,pressure,dial Indicating, manufactured by Wika Holding Lp, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-644-6527 has 2 manufacturer part numbers on file: 213.53.25"".0-3000PSI (Wika Holding Lp), 50104705 (Wika Holding Lp).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-645-0195. Verify interchangeability with system specifications before substitution.
Key specifications for 50104705: Scale Name: PRESSURE; Overall Diameter: 2.5 INCHES NOMINAL IN; Scale Range: -0.01 TO 3000.00 POUNDS PRESSURE PER SQUARE INCH LBS; Pointer Type: INDICATING. 8 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.