The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-841-8218, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bristol Babcock Inc Helicoid Instruments Div. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-841-8218 |
| Primary Part Number | 430LB4 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Bristol Babcock Inc Helicoid Instruments Div |
| Status | ACTIVE |
| Material | ALUMINUM CASE |
| Surface Treatment | ENAMEL CASE |
| Material | STEEL ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SCALE RANGE,DIAL SIZE,MOUNTING METHODS |
| Pointer Type | INDICATING |
| Mounting Method | FLUSH PANEL AND STUD(S) |
| Accessory Components and Quantity | CARTRIDGE SNUBBER 1 |
| Adjustability | ADJUSTABLE |
| Stud Quantity | 3 |
| Graduation Unit | 500.0 POUNDS PER SQUARE INCH LBS |
| Dial Size | 6 IN. IN |
| Scale Smallest Increment | 50.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Name for Which Pointer Is Designed | PRESSURE |
| Stud Location | BACK |
| Scale Accuracy | 1/2 PCT ENTIRE RANGE |
| Connector Type Vent | NOT PROVIDED |
| Scale Range | +0.0 TO 6000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Actuation Type | SINGLE BOURDON TUBE |
| Scale Name | PRESSURE |
| Connection Location | BACK |
| Scale Type | SINGLE |
| Connection Quantity | 1 |
| Pointer Color | BLACK |
| Connection Size | 7/16 IN. -20 UNF IN |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Overall Diameter | 7.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6685-00-841-8218 is a Gage,pressure,dial Indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-841-8218 has 2 cross-referenced part numbers: 430LB4 (Bristol Babcock Inc Helicoid Instruments Div), HD99 (Bristol Babcock Inc Helicoid Instruments Div).
There is 1 known substitute for 6685-00-841-8218: 4730-00-336-8937. Verify interchangeability with system specifications before substitution.
Key specifications for 430LB4: Overall Depth: 2.218 INCHES NOMINAL IN; Material: ALUMINUM CASE; Surface Treatment: ENAMEL CASE; Material: STEEL ACTUATING ELEMENT. 30 total characteristics are documented in the Federal Logistics Information System.