Product Details | DIAL INDICATING DIFFERENTIAL GAGE

6685-00-775-3998 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: D4251001PC101, D4-251-001PC101, 9872316X1PC64, 9872-316X1PC64, 251A050PSI, 251A0-50PSI, 6685-00-775-3998, 00-775-3998, 6685007753998, 007753998

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

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1962 00-775-3998

Cross Reference | NSN 6685-00-775-3998

Part Number Cage Code Manufacturer
251A0-50PSI 05991 CAMERON TECHNOLOGIES US, INC. DBA CAMERON'S MEASUREMENT SYSTEMS
9872-316X1PC64 96169 ELECTRIC BOAT CORPORATION
D4-251-001PC101 05991 CAMERON TECHNOLOGIES US, INC. DBA CAMERON'S MEASUREMENT SYSTEMS

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Technical Data | NSN 6685-00-775-3998

Characteristic Specifications
ACTUATION TYPE BELLOWS
ACTUATING ELEMENT MATERIAL BERYLLIUM COPPER
SCALE TYPE SINGLE
SCALE NAME DIFFERENTIAL PRESSURE
SCALE RANGE 0.0 TO 50.0 POUNDS PRESSURE PER SQUARE INCH
GRADUATION UNIT ANY ACCEPTABLE
SCALE SMALLEST INCREMENT ANY ACCEPTABLE
SCALE INSCRIPTION/BACKGROUND COLOR BLACK FIGURES,WHITE BACKGROUND
DIAL SIZE 3-1/2 IN. DIA
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
CASE MATERIAL ALUMINUM, DIE CAST
CASE SURFACE TREATMENT PAINT, EPOXY
OVERALL DIAMETER 4.406 INCHES NOMINAL
OVERALL DEPTH 2.812 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED
MANUFACTURERS CODE 96169
DESIGN CONTROL REFERENCE 9872-316X1PC64

Restrictions/Controls & Freight Information | NSN 6685-00-775-3998

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 72B 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 Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 6685-00-775-3998

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