The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-668-9288, 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 Swagelok Co. Government technical data includes 22 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 | 6685-01-668-9288 |
| Primary Part Number | PBG-63-NCO-AQ |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | PLUS OR MINUS 2 PERCENT/1 PERCENT/2 PERCENT OF SPAN IAW ASME B40.100 GRADE A |
| Scale Name | INCHES OF MERCURY |
| Overall Diameter | 3.47 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | FRONT |
| Mounting Method | FLANGE |
| Connection Type | EXTERNAL |
| Scale Range | -30.0 TO 0.0 INCHES HG IN |
| Material Document and Classification | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT |
| Material Document and Classification | 304 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Mounting Hole Diameter | 0.16 INCHES NOMINAL IN |
| Scale Name for Which Pointer Is Designed | INCHES OF MERCURY |
| Pointer Type | INDICATING |
| Scale Type | CIRCULAR |
| Bolt Circle Diameter | 2.95 INCHES NOMINAL IN |
| Connection Location | BACK, LOWER |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL COMP 304 CASE |
| Material | STEEL COMP 316 ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 1/4 INCH SWAGELOK TUBE ADAPTER 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 |
|---|---|
| PBG-63-NCO-AQ PRIMARY | Swagelok Co (USA) |
NSN 6685-01-668-9288 is a Gage,pressure,dial Indicating, manufactured by Swagelok Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-668-9288 has 1 manufacturer part number on file: PBG-63-NCO-AQ (Swagelok Co).
Key specifications for PBG-63-NCO-AQ: Mounting Hole Quantity: 3; Scale Accuracy: PLUS OR MINUS 2 PERCENT/1 PERCENT/2 PERCENT OF SPAN IAW ASME B40.100 GRADE A; Scale Name: INCHES OF MERCURY; Overall Diameter: 3.47 INCHES NOMINAL IN. 22 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.