Product Details | CLOSE TOLERANCE SCREW

5305-00-530-6140 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: 3MFR2845T, 3MFR284-5T, 5305-00-530-6140, 00-530-6140, 5305005306140, 005306140

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 07 SEP 1974 00-530-6140

Drawings & Photos | NSN 5305-00-530-6140


Cross Reference | NSN 5305-00-530-6140

Part Number Cage Code Manufacturer
3MFR284-5T 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5305-00-530-6140

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
FASTENER LENGTH 0.766 INCHES MINIMUM AND 0.796 INCHES MAXIMUM
MATERIAL STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 6150 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 6TH MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM AND PRIMER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2 CLASS 2 FED SPEC 1ST TREATMENT RESPONSE AND PS 13421,FSCM 76301 MFR REF 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.5066 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D9 HIGH-TORQUE
GRIP LENGTH 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
GRIP DIAMETER 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
SURFACE FINISH 125.0 MICROINCHES HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
MANUFACTURERS CODE 76301
DESIGN CONTROL REFERENCE 3MFR284-5T

Restrictions/Controls & Freight Information | NSN 5305-00-530-6140

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 ZG Germany
ZH
ZJ
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