Product Details | FLUID PRESSURE DAMPENER

6685-01-120-9346 An automatic throttling device designed to absorb fluid pulsations and surges, thus reducing mechanical vibrations. Excludes DAMPENER, FLUTTER.20316500058Aircraft Hydraulic, Vacuum, and De-icing System Components49300041Lubrication and Fuel Dispensing Equipment66850073Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Part Alternates: M29401HCTG, M2940-1-H-C-T-G, MILPRF2940, MIL-PRF-2940, MILS2940, MIL-S-2940, MIL-S-2940 1-H-C-T-G, MILS29401HCTG, 18003620, 18-00-3620, 513-4675819 ITE, 5134675819ITE, 516-4678722 ITE, 5164678722ITE, 5164682253F30, 516-4682253F30, 9718077, 97-18-077, 6685-01-120-9346, 01-120-9346, 6685011209346, 011209346

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

Supply Group (FSG) NSN Assign. NIIN
66 25 OCT 1981 01-120-9346

Demand History | NSN 6685-01-120-9346

Part Number Request Date QTY Origin
6685-01-120-9346 2025-10-300 7 DIBBS
6685-01-120-9346 2025-10-292 7 DIBBS
6685-01-120-9346 2025-04-98 10 DIBBS
6685-01-120-9346 2025-03-90 10 DIBBS
6685-01-120-9346 2021-11-327 28 DIBBS
6685-01-120-9346 2021-11-319 28 DIBBS
6685-01-120-9346 2020-10-289 29 DIBBS
6685-01-120-9346 2020-10-281 29 DIBBS
6685-01-120-9346 2013-02-38 52 DIBBS
6685-01-120-9346 2012-11-332 21 DIBBS
6685-01-120-9346 2012-11-312 21 DIBBS
6685-01-120-9346 2012-10-293 23 DIBBS
6685-01-120-9346 2012-10-278 23 DIBBS
6685-01-120-9346 2012-09-262 23 DIBBS
6685-01-120-9346 2012-07-187 23 DIBBS
6685-01-120-9346 2012-04-114 32 DIBBS
6685-01-120-9346 2012-03-81 16 DIBBS
6685-01-120-9346 2012-03-66 40 DIBBS

Cross Reference | NSN 6685-01-120-9346

Part Number Cage Code Manufacturer
18-00-3620 96169 ELECTRIC BOAT CORPORATION
513-4675819 ITE 80064 NAVAL SHIP SYSTEMS COMMAND
516-4678722 ITE 80064 NAVAL SHIP SYSTEMS COMMAND
516-4682253F30 80064 NAVAL SHIP SYSTEMS COMMAND
97-18-077 43689 HUNTINGTON INGALLS INCORPORATED DIV NEWPORT NEWS
M2940-1-H-C-T-G 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-PRF-2940 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-2940 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-2940 1-H-C-T-G 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 6685-01-120-9346

Characteristic Specifications
MATERIAL STEEL, CORROSION RESISTING
OPERATING PRESSURE RANGE 801.0 TO 5000.0 POUNDS PER SQUARE INCH
FLUID TYPE FOR WHICH DESIGNED 0IL
THREADED DIRECT PRESSURE CONNECTION PROVIDED
CONNECTION QUANTITY 1
THREAD LOCATION EXTERNAL AND INTERNAL
THREAD SIZE 9/16-18
SCREW THREAD SERIES DESIGNATOR UNF
THREAD CLASS 3A AND 3B
TUBE CONNECTION TYPE FLARELESS
NONDEFINITIVE SPEC/STD DATA H CLASS AND C COMPOSITION AND 1 TYPE
III END ITEM IDENTIFICATION AIR COMPRESSORS,HIGH PRESSURE; TRIDENT MATERIAL
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-PRF-2940
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M2940-1-H-C-T-G

Restrictions/Controls & Freight Information | NSN 6685-01-120-9346

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 133300 MACHINERY/MACHINES NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 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 6685-01-120-9346

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each