NSN 5305-00-685-7658 503716, 503-7-16, 00-685-7658

5305-00-685-7658 A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).

Part Alternates: 503716, 503-7-16, 5305-00-685-7658, 00-685-7658, 5305006857658, 006857658

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	01 JAN 1963	00-685-7658	06660 ( SCREW, ASSEMBLED WASHER )

Part Number	Cage Code	Manufacturer
503-7-16	03950	NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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NSNs for Compare ( up to 4 ): Add 5305-00-685-7658

Compare

5305-00-685-7660, 5305-00-685-7680, 5305-00-685-7691, 5305-00-685-7698, 5305-00-685-7707

Characteristic	Specifications
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.051 INCHES
THREAD QUANTITY PER INCH	48
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.396 INCHES MINIMUM
FASTENER LENGTH	0.438 INCHES NOMINAL
MATERIAL	STEEL COMP 410 PRIMARY WASHER COPPER ALLOY FASTENER
SURFACE TREATMENT	PASSIVATE PRIMARY WASHER NICKEL THREADS
HEAD STYLE	C29 BINDING
HEAD DIAMETER	0.197 INCHES MINIMUM AND 0.208 INCHES MAXIMUM
HEAD HEIGHT	0.051 INCHES NOMINAL
INTERNAL DRIVE STYLE	D14 SLOT
WASHER QUANTITY	1
PRIMARY WASHER STYLE	G2 FLAT INTERNAL TEETH
PRIMARY WASHER OUTSIDE DIAMETER	0.220 INCHES NOMINAL
PRIMARY WASHER MATERIAL THICKNESS	0.027 INCHES MINIMUM AND 0.034 INCHES MAXIMUM
MANUFACTURERS CODE	00781
DESIGN CONTROL REFERENCE	503-7-16

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Electro-static Discharge Susceptible:	A	No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:	A	Item 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:	0	Represents 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
No Freight Information

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	J	NOT 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative