Cap Self-Locking Nut

3326991
(NSN) National Stock Number
5310-00-722-4143
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
05275
Schedule B Code
7415290000
Summary

3b thread class, left-hand thread direction, prevailing torque with nonmetallic insert locking feature, cap nut style, 1.290 inches minimum and 1.310 inches maximum nut height, 1.490 inches minimum and 1.510 inches maximum width across flats

DAC HCC DMIL RNCC
5 - - 3
RNVC SADC MSDS RNAAC
2 - - AX
Identification

A nut internally threaded from one end, and completely enclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, dodecagonal or the like and taper to a cone or dome shape on the closed end. An integral feature is incorporated for locking on the threads of a mating memeber. Excludes:nut (1), stamped.

INC FIIG Concept Condition
05275 A021A0 1 1
Specifications
Thread Class
3b
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
left-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.
Locking Feature
prevailing torque with nonmetallic insert
Details An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
Nut Style
cap
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.
Nut Height
1.290 inches minimum and 1.310 inches maximum
Details None.
Width Across Flats
1.490 inches minimum and 1.510 inches maximum
Details The shortest straight line between flats,perpendicular to the height.
Thread Series
unf
Details A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.
Thread Quantity Per Inch
14
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
0.875 inches
Details A designation that is used for the purpose of general identification of the thread.
Bearing Surface Type
washer faced
Details Indicates the type of bearing surface.
Material
copper alloy overall except insert
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
plastic polyamide locking insert
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
mil-b-15939,comp 5 mil spec single material response overall except insert
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
09K3953-144LH AL BRONZE 019L2 5 - 5 2 - ZZ
3326991 72915 5 - 5 9 - AX
09K3953-144LH 72962 5 - 5 9 - KZ
09K3953-144LH AL BRONZE 72962 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
05680 - Q -
RVC WCC TCC SHC
- 713 Z 9
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FAQs
Frequently asked questions for NSN 5310-00-722-4143
What is the NIIN of the NSN 5310-00-722-4143?
The National Item Identification Number (NIIN) of the NSN 5310-00-722-4143 is 00-722-4143
When the NSN 5310-00-722-4143 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 5310-00-722-4143 contain any precious metals?
Type/content is unknown
Does the NSN 5310-00-722-4143 contain any hazardous material?
No data in HMIRS

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