Product Details | TAPPING SCREW

5305-00-016-6778 A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.

Part Alternates: 166778, 27P1011, 955618, 5305-00-016-6778, 00-016-6778, 5305000166778, 000166778

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-016-6778

Drawings & Photos | NSN 5305-00-016-6778


Cross Reference | NSN 5305-00-016-6778

Part Number Cage Code Manufacturer
166778 21450 ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
166778 24617 GENERAL MOTORS CORP
166778 56442 DIAMOND REO TRUCK CO
166778 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
27P1011 12472 LOCKWOOD CORP
955618 58275 SASCO INC CANADIAN DIV

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Technical Data | NSN 5305-00-016-6778

Characteristic Specifications
NONMACHINE THREAD STYLE A2 THRU SLOT
NONMACHINE NOMINAL THREAD DIAMETER 0.250 INCHES
FASTENER LENGTH 0.375 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
HEAD STYLE C37 ROUND
HEAD DIAMETER 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM
HEAD HEIGHT 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE D1 CROSS RECESS TYPE 1
FEATURES PROVIDED CASEHARDENED

Restrictions/Controls & Freight Information | NSN 5305-00-016-6778

Category Code Description
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.
Precious Metals Indicator Code:UPrecious metal type is unknown
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 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 713 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 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