Product Details | FLUID PRESSURE DAMPENER

6685-00-954-8449 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: DAM61, GS15W55G, GS15W5-5G, 1-4 1112SG, 141112SG, 25S, 25SG, 6685-00-954-8449, 00-954-8449, 6685009548449, 009548449

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

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1962 00-954-8449

Demand History | NSN 6685-00-954-8449

Part Number Request Date QTY Origin
25S 2025-10-276 25 DIBBS
GS15W5-5G 2025-10-276 25 DIBBS
25S 2025-09-268 25 DIBBS
GS15W5-5G 2025-09-268 25 DIBBS
25S 2024-07-196 30 DIBBS
GS15W5-5G 2024-07-196 30 DIBBS
25S 2018-11-334 10 us

Cross Reference | NSN 6685-00-954-8449

Part Number Cage Code Manufacturer
1-4 1112SG 38056 ASHCROFT INC.
25S 99752 CHEMIQUIP PRODUCTS CO, INC
25SG 99752 CHEMIQUIP PRODUCTS CO, INC
DAM61 93234 WORTHINGTON COMPRESSORS INC AIR POWER AND CONSTRUCTION EQUIP DIV
GS15W5-5G 73030 HAMILTON SUNDSTRAND CORPORATION

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Technical Data | NSN 6685-00-954-8449

Characteristic Specifications
MATERIAL STEEL, CORROSION RESISTING
OPERATING PRESSURE RANGE 0.0 TO 15000.0 POUNDS PER SQUARE INCH
FLUID TYPE FOR WHICH DESIGNED AIR
THREADED DIRECT PRESSURE CONNECTION PROVIDED
CONNECTION QUANTITY 1 AND 1
THREAD LOCATION INTERNAL AND EXTERNAL
THREAD SIZE 1/4-18 AND 1/4-18
SCREW THREAD SERIES DESIGNATOR NPT AND NPT
NOMINAL PIPE SIZE DESIGNATION 0.250 INCHES AND 0.250 INCHES
GAGE END CONNECTION TYPE FEMALE AND FEMALE
REMOVABLE PISTON NOT PROVIDED
OVERALL LENGTH 1.469 INCHES NOMINAL
OVERALL WIDTH 0.750 INCHES NOMINAL
SPECIAL FEATURES POROUS DISC FOR AIR AND OTHER GASES
III END ITEM IDENTIFICATION SUPPORT EQUIPMENT,F-111 AIRCRAFT; SUPPORT EQUIPMENT,C-135 AIRCRAFT; SUPPORT EQUIPMENT,B-52 AIRCRAFT

Restrictions/Controls & Freight Information | NSN 6685-00-954-8449

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 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 6685-00-954-8449

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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
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