Product Details | DIAL INDICATING DIFFERENTIAL GAGE

6685-00-530-4089 An instrument designed to measure air, gas, fluid, and vapor differential by means of a pressure sensitive element(s) which transmits energy, by direct linkage, to the indicating pointer of a scale calibrated to units of pressure. The scale may indicate in units of pressure, quantity, or flow.

Part Alternates: 1125, 1C178917, 1C1789-17, 60112502B60, 60-1125-02B60, 6685-00-530-4089, 00-530-4089, 6685005304089, 005304089

Instruments and Laboratory Equipment | Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1963 00-530-4089

Cross Reference | NSN 6685-00-530-4089

Part Number Cage Code Manufacturer
1125 38056 ASHCROFT INC.
1C1789-17 07482 GENERAL ELECTRIC COMPANY DBA GE
1C1789-17 24446 GENERAL ELECTRIC CO
60-1125-02B60 38056 ASHCROFT INC.

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Technical Data | NSN 6685-00-530-4089

Characteristic Specifications
ACTUATION TYPE SINGLE BOURDON TUBE
ACTUATING ELEMENT MATERIAL PHOSPHOR BRONZE
SCALE TYPE SINGLE
SCALE NAME DIFFERENTIAL PRESSURE
SCALE RANGE 0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY 1 PCT OF ENTIRE RANGE
GRADUATION UNIT 10.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT 1.0 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLOR BLACK FIGURES ON WHITE BACKGROUND
DIAL SIZE 6 IN. DIA
SCALE MARKING APPLY PRESSURE TO CONNECTION H FIRST
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
CASE MATERIAL BRASS
CASE SURFACE TREATMENT PAINT, BLACK
OVERALL DIAMETER 7.813 INCHES NOMINAL
OVERALL DEPTH 3.219 INCHES NOMINAL
BEZEL TYPE THREAD
MATERIAL BRASS
SURFACE TREATMENT PAINT, BLACK
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY 2
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION LOWER BACK
CONNECTION SIZE 0.250 IN. NPT
MOUNTING METHOD SURFACE WALL
BOLT CIRCLE DIAMETER 7.000 INCHES NOMINAL
MOUNTING HOLE QUANTITY 3
MOUNTING HOLE DIAMETER 0.282 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED

Restrictions/Controls & Freight Information | NSN 6685-00-530-4089

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 121570 GAGES AIR LIQUID LEVEL PRESSURE
Less than car load rating
Less than truck load rating J 100.2
Water commodity Code 653 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Q Extremely fragile items including delicate instruments.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 6685-00-530-4089

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each