Socket Head Cap Screw

FF-S-86E

FF-S-86E
(NSN) National Stock Number
5305-00-851-8348
Federal Supply Classification
5305 Screws
Item Name Code
16282
Schedule B Code
7318152000
Summary

3a thread class, right-hand thread direction, 1.250 inches minimum thread length, 2.000 inches nominal fastener length, flat chamfer head style, 0.375 inches nominal head diameter

DAC HCC DMIL RNCC
4 - - 4
RNVC SADC MSDS RNAAC
1 - - ZZ
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
3a
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
1.250 inches minimum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
2.000 inches nominal
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
0.375 inches nominal
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Head Height
0.250 inches nominal
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
0.190 inches nominal
Details The shortest straight line between flats,perpendicular to the height.
Thread Quantity Per Inch
20
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Minimum Tensile Strength
160000 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.
Hardness Rating
36.0 rockwell c minimum overall and 43.0 rockwell c maximum overall
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
cadmium 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.
Thread Series Designator
unc
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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
A640025C200 D9182 4 - 5 9 - ZZ
001-99978 12027 X - 3 9 - XX
407650 12027 2 - 5 9 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
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
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
CAGE: 81348
NATL INSTITUTE STDS & TECH , MD , 20899
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-851-8348
What is the NIIN of the NSN 5305-00-851-8348?
The National Item Identification Number (NIIN) of the NSN 5305-00-851-8348 is 00-851-8348
When the NSN 5305-00-851-8348 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Fri, Jan 1, 1960
Does the NSN 5305-00-851-8348 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-851-8348 contain any hazardous material?
No data in HMIRS

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