Product Details | CONCAVE WASHER

5310-01-156-3757 A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also WASHER (1), CONVEX. Excludes WASHER (1), RECESSED and BEARING, WASHER, THRUST.

Part Alternates: 10130720 , 74A5506962011, 74A550696-2011, 5310-01-156-3757, 01-156-3757, 5310011563757, 011563757

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 20 JUN 1983 01-156-3757

Drawings & Photos | NSN 5310-01-156-3757


Demand History | NSN 5310-01-156-3757

Part Number Request Date QTY Origin
5310-01-156-3757 2010-04-97 100 DIBBS

Cross Reference | NSN 5310-01-156-3757

Part Number Cage Code Manufacturer
74A550696-2011 76301 BOEING COMPANY, THE DBA BOEING
74A550696-2011 88314 MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS-TULSA

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Technical Data | NSN 5310-01-156-3757

Characteristic Specifications
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR 35 CONCAVE
HOLE DIAMETER 0.480 INCHES NOMINAL
RADIUS 0.690 INCHES NOMINAL
OUTSIDE DIAMETER 0.840 INCHES NOMINAL
RECESS DEPTH 0.090 INCHES NOMINAL
MATERIAL THICKNESS 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
SURFACE FINISH 63.0 MICROINCHES BOTTOM

Restrictions/Controls & Freight Information | NSN 5310-01-156-3757

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
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 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5310-01-156-3757

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