Turnlock Fastener Stud

1918-4-7

1918-4-7
(NSN) National Stock Number
5325-00-020-9739
Federal Supply Classification
5325 Fastening Devices
Item Name Code
18421
Schedule B Code
9607190000
Summary

0.427 inches minimum and 0.447 inches maximum grip length, 0.325 inches nominal diameter, 0.219 inches nominal minor diameter, stud shank turnlock stud shank style, 0.361 inches nominal extension length, flat fillister turnlock stud head style

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

A pinlike item designed to turn within and be held in place by an eyelet, turnlock fastener; ring, retaining; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a lockspring, turnlock fastener or receptacle, turnlock fastener. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.

INC FIIG Concept Condition
18421 A05400 - 1
Specifications
Grip Length
0.427 inches minimum and 0.447 inches maximum
Details None.
Diameter
0.325 inches nominal
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.
Minor Diameter
0.219 inches nominal
Details The length of a straight line which passes through the center of the smallest diameter of the item,and terminates at the circumference.
Turnlock Stud Shank Style
stud shank
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the turnlock stud shank.
Extension Length
0.361 inches nominal
Details A measurement of the longest dimension of an extension,in distinction from width.
Turnlock Stud Head Style
flat fillister
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the turnlock stud head.
Material Accommodated Thickness
0.384 inches minimum and 0.446 inches maximum
Details The thickness of the material to be accommodated.
Drive Type
socket
Details Indicates the type of drive for turning,rotating,or positioning the mechanism.
Stud Thread Size And Series/Type Designator
0.164-32 unjc
Details Designates the thread diameter,series/type,and number of threads per measurement scale of the stud.
Stud Head Height
0.045 inches nominal
Details None.
Stud Shank Major Diameter
0.2485 inches minimum and 0.2495 inches maximum
Details None.
Material
steel comp 8740 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
mil-s-6049 mil spec 1st material response or ams 6322 assn std 1st material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Treatment
cadmium 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,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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
C3199-4-7 80539 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
36960 - W -
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 5325-00-020-9739
What is the NIIN of the NSN 5325-00-020-9739?
The National Item Identification Number (NIIN) of the NSN 5325-00-020-9739 is 00-020-9739
When the NSN 5325-00-020-9739 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, Mar 29, 1968
Does the NSN 5325-00-020-9739 contain any precious metals?
Type/content is unknown
Does the NSN 5325-00-020-9739 contain any hazardous material?
No data in HMIRS

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