Product Details | THUMBSCREW

5305-00-698-5299 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: SMB150382, 840475, 5305-00-698-5299, 00-698-5299, 5305006985299, 006985299

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-698-5299

Drawings & Photos | NSN 5305-00-698-5299


Cross Reference | NSN 5305-00-698-5299

Part Number Cage Code Manufacturer
840475 56232 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
SMB150382 80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS

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Technical Data | NSN 5305-00-698-5299

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.453 INCHES MAXIMUM
FASTENER LENGTH 1.515 INCHES NOMINAL
MATERIAL STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE C88 WING NO. 3
HEAD HEIGHT 0.562 INCHES NOMINAL
WIDTH BETWEEN FLATS 1.125 INCHES NOMINAL
POINT STYLE F19 FLAT
SHOULDER SHAPE ROUND ALL SHOULDERS
SPECIAL FEATURES THREAD RELIEF GROOVE 0.109 IN. W BY 0.180 IN. MAX DIA

Restrictions/Controls & Freight Information | NSN 5305-00-698-5299

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
No Freight Information