Product Details | DIAL INDICATING COMPOUND PRESSURE-VACUUM GAGE

6685-00-494-7857 An instrument designed to measure and indicate pressure and vacuum, on one dial having a divided scale, a single indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.

Part Alternates: SA233CIFLWBX, SA23-3CIF-LWBX, SC3NN6HCWRONAG, G2780, G27-80, MILG18997, MIL-G-18997, 6685-00-494-7857, 00-494-7857, 6685004947857, 004947857

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

Supply Group (FSG) NSN Assign. NIIN
66 23 MAR 1972 00-494-7857

Drawings & Photos | NSN 6685-00-494-7857


Demand History | NSN 6685-00-494-7857

Part Number Request Date QTY Origin
MILG18997 2021-04-109 8 US

Cross Reference | NSN 6685-00-494-7857

Part Number Cage Code Manufacturer
G27-80 64467 WEKSLER GLASS THERMOMETER CORP
MIL-G-18997 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
SA23-3CIF-LWBX 64467 WEKSLER GLASS THERMOMETER CORP
SC3NN6HCWRONAG 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 6685-00-494-7857

Characteristic Specifications
ACTUATION TYPE SINGLE BOURDON TUBE
ACTUATING ELEMENT MATERIAL NICKEL COPPER ALLOY
SCALE TYPE MULTIPLE
SCALE NAME PRESSURE-VACUUM
SCALE RANGE 0.0 TO 30.0 INCHES OF MERCURY AND 0.0 TO 600.0 POUNDS PRESSURE PER SQUARE INCH
SCALE ACCURACY 1 PERCENT OF RANGE SPAN
GRADUATION UNIT 30.0 INCHES OF MERCURY AND 100.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT 5.0 POUNDS PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLOR BLACK FIGURES,WHITE BACKGROUND
DIAL SIZE 3-1/2 INCH DIAMETER
SCALE MARKING SHOCK RESISTANT
POINTER TYPE INDICATING AND REFERENCE
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK AND RED
SCALE NAME FOR WHICH POINTER IS DESIGNED PRESSURE-VACUUM
CASE MATERIAL ALUMINUM ALLOY
CASE SURFACE TREATMENT ENAMEL, GRAY
OVERALL DIAMETER 3.969 INCHES NOMINAL
OVERALL DEPTH 2.406 INCHES NOMINAL
PROTECTIVE CRYSTAL MATERIAL PLASTIC, MIL-P-5425
CONNECTION QUANTITY 1
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION BOTTOM
CONNECTION SIZE 0.250 IN. TUBE
MOUNTING METHOD SURFACE
BOLT CIRCLE DIAMETER 4.250 INCHES NOMINAL
MOUNTING HOLE QUANTITY 3
MOUNTING HOLE DIAMETER 0.219 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-G-18997
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE SC3NN6HCWRONAG

Restrictions/Controls & Freight Information | NSN 6685-00-494-7857

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:UPrecious metal type is unknown
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 651 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 6685-00-494-7857

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