Product Details | DIAL INDICATING DIFFERENTIAL GAGE

6685-00-554-3721 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: 07ABXXX0148A5AXXXX01, 6685-00-554-3721, 00-554-3721, 6685005543721, 005543721

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

Supply Group (FSG) NSN Assign. NIIN
66 01 NOV 1974 00-554-3721

Cross Reference | NSN 6685-00-554-3721

Part Number Cage Code Manufacturer
07ABXXX0148A5AXXXX01 05991 CAMERON TECHNOLOGIES US, INC. DBA CAMERON'S MEASUREMENT SYSTEMS

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Technical Data | NSN 6685-00-554-3721

Characteristic Specifications
ACTUATION TYPE BELLOWS
ACTUATING ELEMENT MATERIAL BERYLLIUM COPPER
SCALE TYPE ARC
SCALE NAME DIFFERENTIAL PRESSURE
SCALE RANGE 0.0 TO 148.0 INCHES OF WATER
SCALE ACCURACY 1/2 PCT ENTIRE RANGE
GRADUATION UNIT ANY ACCEPTABLE
SCALE SMALLEST INCREMENT ANY ACCEPTABLE
SCALE INSCRIPTION/BACKGROUND COLOR WHITE MARKINGS ON BLACK BACKGROUND
DIAL SIZE 6 IN. DIA
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR WHITE
CASE MATERIAL ALUMINUM, DIE CAST
CASE SURFACE TREATMENT PAINT, EPOXY
OVERALL DIAMETER 6.500 INCHES NOMINAL
OVERALL DEPTH 4.000 INCHES NOMINAL
PROTECTIVE CRYSTAL MATERIAL GLASS
CONNECTION QUANTITY 2 AND 2
CONNECTION TYPE INTERNAL
CONNECTION LOCATION BOTTOM REAR AND TOP BACK
CONNECTION SIZE 0.250 IN. NPT DIA
MOUNTING METHOD PANEL
MOUNTING HOLE QUANTITY 4
MOUNTING HOLE DIAMETER 0.250 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED
III END ITEM IDENTIFICATION CHILLED WATER A/C SYSTEMS; POSEIDON MATERIAL
MANUFACTURERS CODE 05991
DESIGN CONTROL REFERENCE 07ABXXX0148A5AXXXX01

Restrictions/Controls & Freight Information | NSN 6685-00-554-3721

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 CX Defense Supply Center Richmond
Richmond, VA 23297-5000
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 Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 6685-00-554-3721

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each