The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-765-8283, 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 Bristol Babcock Inc Helicoid Instruments Div. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-765-8283 |
| Primary Part Number | 35-410R-1/4B-0-15 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bristol Babcock Inc Helicoid Instruments Div |
| Status | ACTIVE |
| Scale Accuracy | 1/2 OF 1 PCT ENTIRE RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 4.125 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | FLUSH PANEL AND STUD(S) AND BRACKET(S) |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.1 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | INTERNAL |
| Scale Range | +0.000 TO 15.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Stud Location | BACK |
| Stud Quantity | 2 |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 1.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | LOWER BACK |
| Color | BLACK CASE |
| Pointer Color | BLACK |
| Surface Treatment | PAINT CRACKLE FINISH CASE |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM AND STEEL CASE |
| Connection Quantity | 1 |
| Bezel Type | SNAP-ON |
| Connection Size | 0.250 IN. TUBE 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 |
|---|---|
| 903A20-001 | Bristol Babcock Inc Helicoid Instruments Div (USA) |
| 35-410R-1/4B-0-15 PRIMARY | Bristol Babcock Inc Helicoid Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| 410R | 5/1 Secondary reference Bristol Babcock Inc Helicoid Instruments Div |
| ME289-0001-0001 | 7/2 Vendor item drawing reference The Boeing Company |
NSN 6685-00-765-8283 is a Gage,pressure,dial Indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-765-8283 has 2 manufacturer part numbers on file: 903A20-001 (Bristol Babcock Inc Helicoid Instruments Div), 35-410R-1/4B-0-15 (Bristol Babcock Inc Helicoid Instruments Div).
Key specifications for 35-410R-1/4B-0-15: Scale Accuracy: 1/2 OF 1 PCT ENTIRE RANGE; Scale Name: PRESSURE; Overall Diameter: 4.125 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.
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.