Socket Head Cap Screw
4-00277-087
(NSN) National Stock Number
5305-00-177-5321
Federal Supply Classification
5305 Screws
Item Name Code
16282
Schedule B Code
7318152000
Summary
3a thread class, right-hand thread direction, 1.000 inches minimum thread length, 1.734 inches minimum and 1.781 inches maximum fastener length, flat chamfer head style, 0.365 inches minimum and 0.375 inches maximum head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | SE |
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
1.000 inches minimum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
1.734 inches minimum and 1.781 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
pellet 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 minimum and 0.190 inches maximum
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
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.Hardness Rating
80.0 rockwell b minimum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Minimum Yield Strength
30000 pounds per square inch
Details
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress or strain.Material
plastic polyamide locking feature
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp 384 fastener or steel comp xm-7 fastener
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
astm a493 assn std all material responses fastener
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 fastener
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 fastener
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.Specification/Standard Data
80205-nas1352 professional/industrial association standard
Details
The document designator of the specification or standard which established the item of supply.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| NK60CR420-28E | 26233 | 5 | - | 3 | 2 | - | TU |
| TN1352C4LN28 | 26304 | 4 | - | 5 | 9 | - | KZ |
| FF-S-86E | 81348 | 3 | - | 4 | 1 | - | ZZ |
| 12208-4 | 20263 | X | - | 5 | 9 | - | XX |
| NAS1352C4LN28 | 80205 | 4 | - | 3 | 2 | - | SE |
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
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 5305-00-177-5321
What is the NIIN of the NSN 5305-00-177-5321?
The National Item Identification Number (NIIN) of the NSN 5305-00-177-5321 is 00-177-5321
When the NSN 5305-00-177-5321 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, May 13, 1970
Does the NSN 5305-00-177-5321 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-177-5321 contain any hazardous material?
No data in HMIRS
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