Machine Screw

88-20042-59A

88-20042-59A
(NSN) National Stock Number
5305-00-417-4955
Federal Supply Classification
5305 Screws
Item Name Code
06657
Schedule B Code
7415338550
Summary

2a thread class, right-hand thread direction, 0.907 inches minimum and 1.000 inches maximum thread length, 0.969 inches minimum and 1.000 inches maximum fastener length, pan head style, 0.357 inches minimum and 0.373 inches maximum head diameter

DAC HCC DMIL RNCC
A - - C
RNVC SADC MSDS RNAAC
1 AO - ZZ
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

INC FIIG Concept Condition
06657 A500D0 - 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
0.907 inches minimum and 1.000 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.969 inches minimum and 1.000 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
pan
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.357 inches minimum and 0.373 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
0.122 inches minimum and 0.133 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
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
0.190 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.
Minimum Tensile Strength
55000 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.
Screw Material
copper alloy
Details The chemical compound or mechanical mixture properties of which the screw is fabricated.
Screw Material Document And Classification
qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
Details The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the screw material.
Test Data Document
36659-lc+72-1238 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Details The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.
Thread Series Designator
unf
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.
Nondefinitive Spec/Std Data
3 type and 9c style
Details The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
AN5CH10A 77445 5 - 5 2 - KZ
LS12906-87 98897 1 - 3 2 - KE
6-1081 54X10 5 - 5 2 - ZZ
FFS92 81348 4 - 4 1 - KE
A1BMS-60-32-E 70318 E - C 1 - ZZ
6-1081 3B150 5 - 5 2 - KZ
6-1081 49956 5 - 5 9 - KZ
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
63220 - W -
RVC WCC TCC SHC
- 72E Z 9

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Manufacturer
DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER
CAGE: 30554
FORT BELVOIR , VA , 22060
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-417-4955
What is the NIIN of the NSN 5305-00-417-4955?
The National Item Identification Number (NIIN) of the NSN 5305-00-417-4955 is 00-417-4955
When the NSN 5305-00-417-4955 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Fri, Nov 27, 1970
Does the NSN 5305-00-417-4955 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-417-4955 contain any hazardous material?
No data in HMIRS

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