Socket Head Cap Screw
291AS256-2
(NSN) National Stock Number
5305-00-024-5856
Federal Supply Classification
5305 Screws
Item Name Code
16282
Schedule B Code
7318152000
Summary
2a thread class, right-hand thread direction, 0.302 inches minimum and 0.375 inches maximum thread length, 0.344 inches minimum and 0.375 inches maximum fastener length, fillister head style, 0.145 inches minimum and 0.161 inches maximum head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 7 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | KE |
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
0.302 inches minimum and 0.375 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.344 inches minimum and 0.375 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
fillister
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.145 inches minimum and 0.161 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
0.064 inches minimum and 0.070 inches maximum
Details
A measurement from the bottom to the top of the head,in distinction from depth.Locking Feature
strip 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
slot
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.Nominal Thread Diameter
0.099 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
48
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Minimum Tensile Strength
60000 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
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.Surface Treatment Document And Classification
qq-p-416,ty 1,cl 3 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
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 |
|---|---|---|---|---|---|---|---|
| LP500-3-6M | 03038 | 1 | - | 3 | 2 | - | KE |
| 291AS256-F | 30003 | 1 | - | 7 | 2 | - | ZZ |
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.
- Fast Quote Times
- Qualified sales team
- 100% Product Inspections
- Counterfeit Parts Prevention
Manufacturer
NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
CAGE: 30003
PATUXENT RIVER
, MD
, 20670-1547
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-024-5856
What is the NIIN of the NSN 5305-00-024-5856?
The National Item Identification Number (NIIN) of the NSN 5305-00-024-5856 is 00-024-5856
When the NSN 5305-00-024-5856 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Thu, Oct 19, 1972
Does the NSN 5305-00-024-5856 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-024-5856 contain any hazardous material?
No data in HMIRS
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