Product Details | CLOSE TOLERANCE SCREW

5305-01-193-6275 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: NAS5101U1, NAS5101-U1, 5305-01-193-6275, 01-193-6275, 5305011936275, 011936275

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 06 NOV 1984 01-193-6275

Drawings & Photos | NSN 5305-01-193-6275


Cross Reference | NSN 5305-01-193-6275

Part Number Cage Code Manufacturer
NAS5101-U1 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-193-6275

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.276 INCHES NOMINAL
FASTENER LENGTH 0.323 INCHES MINIMUM AND 0.343 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
HEAD STYLE C33 PAN NO. 2
HEAD DIAMETER 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT 0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
INTERNAL DRIVE STYLE B22 TRI-WING RECESS
GRIP LENGTH 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM
GRIP DIAMETER 0.1361 INCHES MINIMUM AND 0.1367 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 80205-NAS5101 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-193-6275

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