The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-663-1677, 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 Enfm-Usa Inc. Government technical data includes 15 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 | 6685-01-663-1677 |
| Primary Part Number | RV166B5N329KG |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Enfm-Usa Inc |
| Status | ACTIVE |
| Scale Accuracy | 10% OF SPAN ASME B40.1, GRADE 1A A |
| Scale Name | POUNDS PER SQUARE INCH AND KILOPASCALS |
| Overall Diameter | 5.20 INCHES NOMINAL IN |
| Mounting Connection Location | BOTTOM |
| Mounting Method | CENTER BACK 1/4 NPT FIXED CONNECTION AND FLANGE |
| Power Source | EXTERNAL |
| Material Document and Classification | 304 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Scale Name for Which Pointer Is Designed | POUNDS PRESSURE |
| Pointer Type | INDICATING |
| Scale Type | DIAL |
| Material | PLASTIC ACRYLIC PROTECTIVE CRYSTAL |
| Material | STEEL COMP 304 CASE |
| Connection Quantity | 1 |
| Bezel Type | BAYONET |
| Connection Size | 0.25NPT |
| 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 |
|---|---|
| RV166B5N329KG PRIMARY | Enfm-Usa Inc (USA) |
NSN 6685-01-663-1677 is a Gage,pressure,dial Indicating, manufactured by Enfm-Usa Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-663-1677 has 1 manufacturer part number on file: RV166B5N329KG (Enfm-Usa Inc).
Key specifications for RV166B5N329KG: Overall Height: 2.05 INCHES NOMINAL IN; Scale Accuracy: 10% OF SPAN ASME B40.1, GRADE 1A A; Scale Name: POUNDS PER SQUARE INCH AND KILOPASCALS; Overall Diameter: 5.20 INCHES NOMINAL IN. 15 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.