Product Details | THUMBSCREW

5305-00-638-0966 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).

Part Alternates: 73B691, 5305-00-638-0966, 00-638-0966, 5305006380966, 006380966

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-638-0966

Drawings & Photos | NSN 5305-00-638-0966


Cross Reference | NSN 5305-00-638-0966

Part Number Cage Code Manufacturer
73B691 26916 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MULTIPLE

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Technical Data | NSN 5305-00-638-0966

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.216 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.407 INCHES MINIMUM
FASTENER LENGTH 0.516 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT COPPER AND OXIDE OVERALL
HEAD STYLE C66 KNURLED NO. 1
HEAD DIAMETER 0.875 INCHES NOMINAL
HEAD HEIGHT 0.437 INCHES NOMINAL
POINT STYLE F19 FLAT
SPECIAL FEATURES HEAD UNDERCUT TO 0.750 IN. DIA BY 0.250 IN. DEPTH

Restrictions/Controls & Freight Information | NSN 5305-00-638-0966

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