Socket Head Cap Screw

2225210-55

2225210-55
(NSN) National Stock Number
5305-00-004-9188
Federal Supply Classification
5305 Screws
Item Name Code
16282
Schedule B Code
-
Summary

2a thread class, right-hand thread direction, 0.794 inches minimum and 0.895 inches maximum thread length, 0.865 inches minimum and 0.895 inches maximum fastener length, flat chamfer head style, 0.365 inches minimum and 0.375 inches maximum head diameter

DAC HCC DMIL RNCC
1 - - 3
RNVC SADC MSDS RNAAC
2 - - HD
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

INC FIIG Concept Condition
16282 A003B0 - 1
Specifications
Thread Class
2a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand
Details The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Thread Length
0.794 inches minimum and 0.895 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.865 inches minimum and 0.895 inches maximum
Details The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.
Head Style
flat chamfer
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.365 inches minimum and 0.375 inches maximum
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Head Height
0.244 inches minimum and 0.250 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Locking Feature
patch threads
Details An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
Internal Drive Style
hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
Nominal Thread Diameter
0.250 inches
Details The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
Width Across Flats
0.188 inches nominal
Details The shortest straight line between flats,perpendicular to the height.
Thread Quantity Per Inch
28
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Minimum Tensile Strength
80000 pounds per square inch
Details The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
Material
plastic polyamide locking feature
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-s-763,cond b fed spec single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Treatment
passivate overall
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
Details The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
Thread Series Designator
unf
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
50600 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
CAGE: 10001
WASHINGTON , DC , 20376
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-004-9188
What is the NIIN of the NSN 5305-00-004-9188?
The National Item Identification Number (NIIN) of the NSN 5305-00-004-9188 is 00-004-9188
When the NSN 5305-00-004-9188 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Jun 16, 1972
Does the NSN 5305-00-004-9188 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-004-9188 contain any hazardous material?
No data in HMIRS

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