The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-735-4689, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6685-00-735-4689 |
| Primary Part Number | 4400B1275 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | CANCELLED |
| Bolt Circle Diameter | 3.125 INCHES NOMINAL IN |
| Mounting Hole Quantity | 3 |
| Surface Treatment | ENAMEL CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Material | STEEL CASE |
| Dial Size | 2-1/2 IN. DIA IN |
| Scale Smallest Increment | 2.000 POUNDS LBS |
| Scale Type | SINGLE |
| Bezel Type | SNAP-ON |
| Connector Type Vent | NOT PROVIDED |
| Scale Accuracy | 2 PCT MIDDLE HALF OF RANGE |
| Mounting Method | SURFACE WALL |
| Scale Name | PRESSURE |
| Graduation Unit | 20.000 POUNDS LBS |
| Pointer Color | BLACK |
| Connection Type | EXTERNAL |
| Actuation Type | SINGLE BOURDON TUBE |
| Scale Range | +0.000 TO 100.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Connection Quantity | 1 |
| Pointer Type | INDICATING |
| Unable to Decode | UNABLE TO DECODE |
| Adjustability | NONADJUSTABLE |
| Connection Location | BOTTOM |
| Connection Size | 1/4 IN. OD TUBE IN |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 6685-00-735-4689 is a Gage,pressure,dial Indicating, manufactured by Northrop Grumman Systems Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.
NSN 6685-00-735-4689 has 3 cross-referenced part numbers: 4400B1275 (Northrop Grumman Systems Corporation), 4400B1275 (Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies), 13824 (Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies).
There are 7 known substitutes for 6685-00-735-4689: 4820-00-036-1559, 5330-00-470-5483, 3020-01-210-0453 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4400B1275: Bolt Circle Diameter: 3.125 INCHES NOMINAL IN; Mounting Hole Quantity: 3; Surface Treatment: ENAMEL CASE; Material: GLASS PROTECTIVE CRYSTAL. 29 total characteristics are documented in the Federal Logistics Information System.
NSN 6685-00-735-4689 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.