Self-Locking Stud

NCS6-6-24

NCS6-6-24
(NSN) National Stock Number
5307-01-021-1561
Federal Supply Classification
5307 Studs
Item Name Code
27783
Schedule B Code
-
Summary

2a nut thread thread class, 0.735 inches minimum and 0.765 inches maximum nut thread thread length, 0.187 inches minimum and 0.201 inches maximum head diameter, 0.172 inches minimum and 0.182 inches maximum head length, head distortions locking feature, 0.250 inches nominal distance across flats

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

A headed fastener threaded externally on a portion or on the full length of the shank. The head has projections on the underside or periphery, or is otherwise designed to be mechanically pressed and embedded in a metallic panel, or the like. It is securely locked in position by the displaced metal. For items that require locking rings, see bolt, self-locking and stud, locked in. Excludes:insert, screw thread.

INC FIIG Concept Condition
27783 A051A0 - 1
Specifications
Thread Class
2a nut thread
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Length
0.735 inches minimum and 0.765 inches maximum nut thread
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Head Diameter
0.187 inches minimum and 0.201 inches maximum
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Head Length
0.172 inches minimum and 0.182 inches maximum
Details A measurement of the longest dimension of a head,in distinction from width.
Locking Feature
head distortions
Details An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
Distance Across Flats
0.250 inches nominal
Details The distance across the flats.
Thread Quantity Per Inch
32 nut thread
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.138 inches nut thread
Details A designation that is used for the purpose of general identification of the thread.
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.
Surface Treatment
passivate 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
mil-f-14072,e300 mil 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.
Style Designator
self-locking
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
unc nut thread
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
ST5H014-4D8 22915 4 - 5 9 - 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
48950 - W -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
PICS SCREW MACHINE, INC. DBA PICS SCREW MACHINE INC
CAGE: 57227
SALEM , MA , 01970-4977
UNITED STATES
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FAQs
Frequently asked questions for NSN 5307-01-021-1561
What is the NIIN of the NSN 5307-01-021-1561?
The National Item Identification Number (NIIN) of the NSN 5307-01-021-1561 is 01-021-1561
When the NSN 5307-01-021-1561 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Mon, May 10, 1976
Does the NSN 5307-01-021-1561 contain any precious metals?
Does not contain precious metal
Does the NSN 5307-01-021-1561 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5307-01-021-1561?
No known electrostatic discharge

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