Product Details | DIAL INDICATING COMPOUND PRESSURE-VACUUM GAGE

6685-01-550-5438 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indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.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: SG4NN5KPWRCNAG, SGN4M3YG, SGN4M3Y-G, MILG18997, MIL-G-18997, 6685-01-550-5438, 01-550-5438, 6685015505438, 015505438

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

Supply Group (FSG) NSN Assign. NIIN
66 23 APR 2007 01-550-5438

Drawings & Photos | NSN 6685-01-550-5438


Demand History | NSN 6685-01-550-5438

Part Number Request Date QTY Origin
6685-01-550-5438 2025-04-107 7 DIBBS
6685-01-550-5438 2023-04-94 12 DIBBS
6685-01-550-5438 2023-01-29 12 DIBBS
6685-01-550-5438 2022-10-289 6 DIBBS
6685-01-550-5438 2022-09-258 6 DIBBS
6685-01-550-5438 2022-07-202 4 DIBBS
6685-01-550-5438 2022-06-181 1 DIBBS
6685-01-550-5438 2021-07-206 1 DIBBS
6685-01-550-5438 2021-07-201 1 DIBBS
MILG18997 2021-04-109 8 US
6685-01-550-5438 2020-05-124 1 DIBBS
6685-01-550-5438 2019-10-297 1 DIBBS
6685-01-550-5438 2019-03-87 1 DIBBS
6685-01-550-5438 2018-12-354 1 DIBBS
6685-01-550-5438 2018-01-23 1 DIBBS
6685-01-550-5438 2017-08-234 1 DIBBS

Cross Reference | NSN 6685-01-550-5438

Part Number Cage Code Manufacturer
MIL-G-18997 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
SG4NN5KPWRCNAG 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
SGN4M3Y-G 76526 MOELLER INSTRUMENT COMPANY, INC.

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Technical Data | NSN 6685-01-550-5438

Characteristic Specifications
ACTUATION TYPE BOURDON TUBE
ACTUATING ELEMENT MATERIAL NICKEL COPPER ALUMINUM ALLOY
SCALE TYPE DIAL
SCALE NAME INCHES OF MERCURY AND POUNDS PRESSURE
SCALE RANGE 0.0 TO 30.0 INCHES OF MERCURY AND 0.0 TO 5000.0 POUNDS PRESSURE PER SQUARE INCH
SCALE INSCRIPTION/BACKGROUND COLOR BLACK MARKINGS ON WHITE BACKGROUND
DIAL SIZE 4-1/2" DIA
POINTER COLOR BLACK
CASE MATERIAL ALUMINUM
PROTECTIVE CRYSTAL MATERIAL PLASTIC
CONNECTION TYPE EXTERNAL
CONNECTION LOCATION LOWER RIGHT HAND SIDE
III END ITEM IDENTIFICATION MISC PARTS AUXILIARY SYSTEM
III PART NAME ASSIGNED BY CONTROLLING AGENCY (INAVY) COMPUND GUAGE, INCHES OF MERCURY / POUNDS OF PRESSURE, DIAL INDICATING
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-G-18997
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE SG4NN5KPWRCNAG

Restrictions/Controls & Freight Information | NSN 6685-01-550-5438

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 652 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 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 6685-01-550-5438

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