Product Details | CHECK VALVE

4820-01-537-0175 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: A097004, A097-004, A0977-004 PN 31F-FS2-INT-FF-.75I, A0977004PN31FFS2INTFF75I, 31F-FS2-INT-FF-.75IN, 31FFS2INTFF75IN, 4820-01-537-0175, 01-537-0175, 4820015370175, 015370175

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 24 JAN 2006 01-537-0175

Drawings & Photos | NSN 4820-01-537-0175


Demand History | NSN 4820-01-537-0175

Part Number Request Date QTY Origin
4820-01-537-0175 2017-04-120 2 DIBBS

Cross Reference | NSN 4820-01-537-0175

Part Number Cage Code Manufacturer
31F-FS2-INT-FF-.75IN 61661 NEWMANS INC NEW JERSEY DIV
A097-004 61661 NEWMANS INC NEW JERSEY DIV
A0977-004 PN 31F-FS2-INT-FF-.75I 79342 WILLIAM E WILLIAMS, VALVE CORP DBA WILLIAMS VALVE

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Technical Data | NSN 4820-01-537-0175

Characteristic Specifications
MATERIAL STEEL BODY STEEL FLOW CONTROL DEVICE STEEL SEAT
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A105N ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM A479-410 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE ASTM A479-410 ASSN STD SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR A2A STRAIGHT THRU FLANGED ENDS
VALVE SIZE 0.750 INCHES
FACE TO FACE DISTANCE 4.500 INCHES
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED FUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 3.880 INCHES ALL ENDS
NOMINAL THICKNESS 0.440 INCHES ALL ENDS
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.620 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 2.750 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
RENEWABLE SEAT RING TYPE PRESSED-IN
DISK LOADING METHOD WEIGHT
END ITEM IDENTIFICATION NEW CONSTRUCTION LCS1
PART NAME ASSIGNED BY CONTROLLING AGENCY SWING CHECK VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-537-0175

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4820-01-537-0175

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
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