The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-138-0692, 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 H O Trerice Co. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-138-0692 |
| Primary Part Number | 2814962 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | H O Trerice Co |
| Status | ACTIVE |
| FSC Application Data | GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE |
| Scale Accuracy | 2 PCT ENTIRE RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 3.781 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 LBS |
| Scale Range | +0.000 TO 200.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Nondefinitive Spec/std Data | 1 POLISHED |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 20.0 POUNDS LBS |
| Connection Location | LOWER |
| Pointer Color | BLACK |
| Material | BRASS CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| Connection Size | 1/4 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 |
|---|---|
| 2814962 | Ingalls Intl Shipbuilding Corp Sub of Litton Industries Inc (USA) |
| 2814962 PRIMARY | H O Trerice Co (USA) |
| 2814962 PRIMARY | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| C1315-6 | D/9 Drawing number reference only U.S. Government activity |
| 1AAE03800CDA | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| 3 1-2 1DPSR1-4BM200 | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| J8054J-003 | 5/9 Secondary reference Bellofram Corporation |
| 3 1-2 1DPSR0-200-1-4BM | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
NSN 6685-00-138-0692 is a Gage,pressure,dial Indicating, manufactured by H O Trerice Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-138-0692 has 3 manufacturer part numbers on file: 2814962 (Ingalls Intl Shipbuilding Corp Sub of Litton Industries Inc), 2814962 (H O Trerice Co), 2814962 (Bellofram Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 6685-00-255-6016, 5950-00-854-2703, 5120-00-974-2704. Verify interchangeability with system specifications before substitution.
Key specifications for 2814962: FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE; Scale Accuracy: 2 PCT ENTIRE RANGE; Scale Name: PRESSURE; Overall Diameter: 3.781 INCHES NOMINAL IN. 24 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.