Hexagon Head Cap Screw
9439930
(NSN) National Stock Number
5305-01-165-5591
Federal Supply Classification
5305 Screws
Item Name Code
18257
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.430 inches minimum and 0.560 inches maximum thread length, 0.530 inches minimum and 0.560 inches maximum fastener length, hexagon extended washer head style, 0.268 inches maximum head height
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| A | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KZ |
Identification
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 18257 | 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
0.430 inches minimum and 0.560 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.530 inches minimum and 0.560 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
hexagon extended washer
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Height
0.268 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Width Between Flats
0.367 inches minimum and 0.375 inches maximum
Details
None.Extended Washer Diameter
0.510 inches minimum and 0.530 inches maximum
Details
None.Extended Washer Thickness
0.040 inches minimum
Details
None.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.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
120000 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
25.0 rockwell c minimum overall and 34.0 rockwell c maximum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Minimum Yield Strength
92000 pounds per square inch
Details
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.Special Features
flanged extended washer
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 1013 overall or steel comp 1015 overall or steel comp 1016 overall or steel comp 1017 overall or steel comp 1018 overall or steel comp 1019 overall or steel comp 1020 overall or steel comp 1021 overall or steel comp 1022 overall or steel comp 1023 overall or steel comp 1524 overall or steel comp 1025 overall or steel comp 1026 overall or steel comp 1527 overall or steel comp 1029 overall or steel comp 1030 overall or steel comp 1033 overall or steel comp 1034 overall or steel comp 1035 overall or steel comp 1536 overall or steel comp 1037 overall or steel comp 1038 overall or steel comp 1039 overall or steel comp 1040 overall or steel comp 1541 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
sae assn std all material responses 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
phosphate overall and zinc 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
g-6111-m,fscm 11862 mfr ref all treatment responses 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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 9439930 | 11862 | A | - | 5 | 9 | - | KZ |
| 9439930 | 17769 | 5 | - | 5 | 9 | - | AZ |
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 |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- ISO9001 / AS9100 Quality Standards
- HAZMAT Certified
- On Time Delivery
- Qualified sales team
- Counterfeit Parts Prevention
- 100% Product Inspections
Manufacturer
FAQs
Frequently asked questions for NSN 5305-01-165-5591
What is the NIIN of the NSN 5305-01-165-5591?
The National Item Identification Number (NIIN) of the NSN 5305-01-165-5591 is 01-165-5591
When the NSN 5305-01-165-5591 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Mon, Oct 31, 1983
Does the NSN 5305-01-165-5591 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-01-165-5591 contain any hazardous material?
No data in HMIRS
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