The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-201-2877, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-201-2877 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Accuracy | 2 PERCENT ENTIRE RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 2.188 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | RIGID STEM |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Criticality Code Justification | ZZZY |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2 IN. DIA IN |
| Graduation Unit | 30.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | LOWER |
| Color | BLACK CASE |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Material | STEEL CASE |
| Material | BRONZE ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| Bezel Type | SLIPS-ON |
| Connection Size | 0.125 IN. NPT IN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 845-1889863 PC128 | 5/1 Secondary reference U.S. Government activity |
| J1158 | 3/1 Design control — primary reference Bellofram Corporation |
| 2620-219X1 PC128 | 5/1 Secondary reference U.S. Government activity |
| IDP2IN0-300PSI1-8MNPT | 5/1 Secondary reference Bellofram Corporation |
NSN 6685-01-201-2877 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6685-01-204-9004. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-01-201-2877: Scale Accuracy: 2 PERCENT ENTIRE RANGE; Scale Name: PRESSURE; Overall Diameter: 2.188 INCHES NOMINAL IN; Actuation Type: SINGLE BOURDON TUBE. 27 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.
NSN 6685-01-201-2877 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.