The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-115-6534, 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 Bellofram Corporation. Government technical data includes 25 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-115-6534 |
| Primary Part Number | P5660 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | PORM 0.5% FULL SCALE |
| Scale Name | POUNDS PRESSURE |
| Overall Diameter | 5.850 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | RIGID STEM OR SURFACE WALL |
| Scale Inscription/background Color | BLACK MARKINGS OF WHITE BACKGROUND |
| Reference Data and Literature | DWG 58313-90059 |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 400.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Material Document and Classification | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT |
| Mounting Hole Diameter | 0.220 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | CIRCULAR |
| Dial Size | 4.5 IN DIA IN |
| Bolt Circle Diameter | 5.380 INCHES NOMINAL IN |
| Connection Location | BOTTOM |
| Pointer Color | BLACK |
| Material | PLASTIC CASE |
| Material | PLASTIC ACRYLIC PROTECTIVE CRYSTAL |
| Material | STEEL COMP 316 ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| Connection Size | 0.500 IN NPT 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 |
|---|---|
| P5660 PRIMARY | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| FIG401 0-400PSI | 3/9 Design control — primary reference Liftec Inc Div Liftec, Inc. |
| 58313-90059-1 | 5/9 Secondary reference U.S. Government activity |
| E5560B | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| P5660 | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
NSN 6685-01-115-6534 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-115-6534 has 1 manufacturer part number on file: P5660 (Bellofram Corporation).
Key specifications for P5660: Mounting Hole Quantity: 3; Scale Accuracy: PORM 0.5% FULL SCALE; Scale Name: POUNDS PRESSURE; Overall Diameter: 5.850 INCHES NOMINAL IN. 25 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.