Shoulder Screw

GS551C06-279

GS551C06-279
(NSN) National Stock Number
5305-00-008-5912
Federal Supply Classification
5305 Screws
Item Name Code
22846
Schedule B Code
7318152000
Summary

3a thread class, right-hand thread direction, 0.199 inches minimum and 0.259 inches maximum thread length, 0.454 inches minimum and 0.484 inches maximum fastener length, flat countersunk head style, 0.223 inches nominal 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, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

INC FIIG Concept Condition
22846 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
0.199 inches minimum and 0.259 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.454 inches minimum and 0.484 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 countersunk
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.223 inches nominal
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Shoulder Diameter
0.141 inches minimum first shoulder and 0.143 inches maximum first shoulder
Details The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
Shoulder Length
0.185 inches minimum first shoulder and 0.215 inches maximum first shoulder
Details The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
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
0.138 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.
Hardness Rating
33.0 rockwell c minimum overall and 37.0 rockwell c maximum overall
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Countersink Angle
99.5 degrees minimum and 100.5 degrees maximum
Details The included angle of the countersink.
Shoulder Shape
round first shoulder
Details The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.
Material
steel comp 8740 overall or steel comp 4037 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
cadmium overall and chromate 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,type 2,class 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
AIC551C06-279 06725 1 - 5 9 - KE
IC551C-06-279 06725 5 - 3 2 - ZZ
GS551C06-279 27624 5 - 5 2 - ZZ
GS551C06-279 0ZC92 5 - 5 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
48950 - W -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MISSION SYSTEMS
CAGE: 26512
BETHPAGE , NY , 11714-1035
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-008-5912
What is the NIIN of the NSN 5305-00-008-5912?
The National Item Identification Number (NIIN) of the NSN 5305-00-008-5912 is 00-008-5912
When the NSN 5305-00-008-5912 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sun, Jul 23, 1972
Does the NSN 5305-00-008-5912 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-008-5912 contain any hazardous material?
No data in HMIRS

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