Close Tolerance Screw

VP19-4-11

VP19-4-11
(NSN) National Stock Number
5305-00-151-8688
Federal Supply Classification
5305 Screws
Item Name Code
29294
Schedule B Code
7318152000
Summary

3a thread class, right-hand thread direction, 0.277 inches minimum and 0.328 inches maximum thread length, 1.106 inches minimum and 1.126 inches maximum fastener length, crowned hexagon head style, 0.126 inches minimum and 0.141 inches maximum head height

DAC HCC DMIL RNCC
4 - - 3
RNVC SADC MSDS RNAAC
2 - - ZZ
Identification

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

INC FIIG Concept Condition
29294 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
0.277 inches minimum and 0.328 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
1.106 inches minimum and 1.126 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
crowned hexagon
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Height
0.126 inches minimum and 0.141 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Grip Diameter
0.2485 inches minimum and 0.2495 inches maximum
Details The length of a straight line which passes through the center of the grip,and terminates at the circumference.
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
0.250 inches
Details The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
Grip Length
0.688 inches minimum and 0.704 inches maximum
Details A measurement of the longest dimension of the grip,in distinction from width.
Thread Quantity Per Inch
28
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Minimum Tensile Strength
180000 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.
Distance From Head Largest Bearing Surface To Shank Hole Center
1.029 inches nominal first hole
Details The distance from the shank hole centerline to the largest bearing surface of the head.
Surface Finish
63.0 microinches bearing surface of head
Details Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
Surface Finish
63.0 microinches grip
Details Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
Part Name Assigned By Controlling Agency
navy special project
Details The name assigned to the item by the government agency or commercial organization controlling the design of the item.
Material
steel comp 8740 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment Document And Classification
qq-p-416,ty 2 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
unjf
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
AS108-04-11 84256 4 - 3 2 - ZZ
CA23630-04-11 29372 4 - 5 9 - ZZ
CA2630-04-11 29372 5 - C 1 - ZZ
GB511AE3-04-11 26512 2 - 7 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A 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
HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS
CAGE: 92215
TORRANCE , CA , 90505-5103
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-151-8688
What is the NIIN of the NSN 5305-00-151-8688?
The National Item Identification Number (NIIN) of the NSN 5305-00-151-8688 is 00-151-8688
When the NSN 5305-00-151-8688 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Nov 18, 1970
Does the NSN 5305-00-151-8688 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-151-8688 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5305-00-151-8688?
No known electrostatic discharge

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