Product Details | CONCAVE WASHER

5310-01-338-0956 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: BACW10CA7CCU, 5310-01-338-0956, 01-338-0956, 5310013380956, 013380956

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 26 APR 1991 01-338-0956

Drawings & Photos | NSN 5310-01-338-0956


Demand History | NSN 5310-01-338-0956

Part Number Request Date QTY Origin
BACW10CA7CCU 2024-01-08 146 DIBBS
BACW10CA7CCU 2020-10-299 48 DIBBS

Cross Reference | NSN 5310-01-338-0956

Part Number Cage Code Manufacturer
BACW10CA7CCU 15653 ALCOA GLOBAL FASTENERS, INC.
BACW10CA7CCU 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
BACW10CA7CCU 60119 MONADNOCK COMPANY THE DBA LISI AEROSPACE
BACW10CA7CCU 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5310-01-338-0956

Characteristic Specifications
MATERIAL STEEL COMP 630 OR STEEL COMP 631 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5528 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR 35 CONCAVE
HOLE DIAMETER 0.595 INCHES MINIMUM AND 0.605 INCHES MAXIMUM
RADIUS 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
OUTSIDE DIAMETER 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
MATERIAL THICKNESS 0.185 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 81205-BACW10CA MANUFACTURERS STANDARD

Restrictions/Controls & Freight Information | NSN 5310-01-338-0956

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 5310-01-338-0956

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative