Socket Head Cap Screw
GS21-301RC6X7-16
(NSN) National Stock Number
5305-00-146-2645
Federal Supply Classification
5305 Screws
Item Name Code
16282
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.285 inches minimum and 0.378 inches maximum thread length, 0.407 inches minimum and 0.438 inches maximum fastener length, flat countersunk head style, 0.238 inches minimum and 0.279 inches maximum head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | CL |
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
0.285 inches minimum and 0.378 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.407 inches minimum and 0.438 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 countersunk
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.238 inches minimum and 0.279 inches maximum
Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Internal Drive Style
cross recess type 1
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Nominal Thread Diameter
0.138 inches
Details
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.Thread Quantity Per Inch
32
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Details
The included angle of the countersink.Special Features
locking feature threads trifluorochloroethylene polymer
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Material
steel comp 430 overall or steel comp 440a overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.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
gps 10-030 operation t21,fscm 24930 mfr ref 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
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.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 |
Certified Supplier
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Manufacturer
L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS
CAGE: 24930
VAN NUYS
, CA
, 91406-2027
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-146-2645
What is the NIIN of the NSN 5305-00-146-2645?
The National Item Identification Number (NIIN) of the NSN 5305-00-146-2645 is 00-146-2645
When the NSN 5305-00-146-2645 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sun, Sep 26, 1971
Does the NSN 5305-00-146-2645 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-146-2645 contain any hazardous material?
No data in HMIRS
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