The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-423-7078, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bellofram Corporation. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-423-7078 |
| Primary Part Number | D1552 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Surface Treatment | NICKEL CASE |
| Overall Diameter | 3.312 INCHES NOMINAL IN |
| Material | BRASS CASE |
| Connection Location | BOTTOM |
| Connection Type | EXTERNAL |
| Mounting Connection Location | BOTTOM |
| Scale Inscription/background Color | BLACK MARKING ON WHITEBACKGROUND |
| Pointer Type | INDICATING |
| Scale Type | SINGLE |
| Adjustability | ADJUSTABLE |
| Pointer Color | BLACK |
| Connection Quantity | 1 |
| Connector Type Vent | NOT PROVIDED |
| Scale Range | +0.0 TO 160.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Connection Size | 0.250 IN. NPT IN |
| Dial Size | 3 IN. DIA IN |
| Scale Smallest Increment | 1.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Name | PRESSURE |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Scale Accuracy | PORM 1/2 PCT OF ENTIRE RANGE |
| Graduation Unit | 10.0 POUNDS PER SQUARE INCH LBS |
| Mounting Method | RIGID STEM |
| Actuation Type | BOURDON TUBE |
| Bezel Type | THREAD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6685-00-423-7078 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-00-423-7078 has 3 cross-referenced part numbers: 966025-1C (Raytheon Company Dba Raytheon), D1552 (Desco Corp Marsh Bellofram Div), D1552 (Bellofram Corporation).
There are 2 known substitutes for 6685-00-423-7078: 6685-00-387-9654, 2805-00-991-3532. Verify interchangeability with system specifications before substitution.
Key specifications for D1552: Material: GLASS PROTECTIVE CRYSTAL; Surface Treatment: NICKEL CASE; Overall Diameter: 3.312 INCHES NOMINAL IN; Material: BRASS CASE. 26 total characteristics are documented in the Federal Logistics Information System.