Shouldered Shaft

54A21958
(NSN) National Stock Number
3040-00-341-9201
Federal Supply Classification
3040 Miscellaneous Power Transmission Equipment
Item Name Code
22914
Schedule B Code
8483105000
Summary

Circular grooved first end style, 0.0500 inches nominal first end groove width, 0.9100 inches nominal first end groove diameter, not identical end similarity, circular grooved second end style, 0.0940 inches nominal second end groove width

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

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

INC FIIG Concept Condition
22914 A23200 1 1
Specifications
First End Style
circular grooved
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the first end.
First End Groove Width
0.0500 inches nominal
Details None.
First End Groove Diameter
0.9100 inches nominal
Details None.
End Similarity
not identical
Details A term used to identify the ends as identical or not identical.
Second End Style
circular grooved
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the second end.
Second End Groove Width
0.0940 inches nominal
Details None.
Second End Groove Diameter
1.0440 inches nominal
Details None.
Overall Length
1.625 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
End Item Identification
1710-00-341-2063/1710-00-341-2064,runway barrier
Details The national stock number or the identification information of the end equipment for which the item is a part.
First End Distance From End To Groove
0.8875 inches nominal
Details None.
First End Diameter
0.9950 inches nominal
Details The length of a straight line which passes through the center of the first end,and terminates at the circumference.
Second End Distance From End To Groove
0.406 inches nominal
Details None.
Step Quantity
5
Details The number of steps provided.
Largest Step Diameter
1.500 inches nominal
Details The length of a straight line which passes through the center of the largest step,and terminates at the circumference.
Special Features
largest shoulder hexagon shape; first end chamf 1/32 x 45 deg; second end chamf 1/16 x 45 deg,thd 15-18npt-2a
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
steel
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
mil-s-6758 mil spec all material responses
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
54A21958 98750 2 - 3 9 - SB
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
65750 - W -
RVC WCC TCC SHC
- 593 Z 9
Price and Availability Quote

Send us a quick request for quote using the form below:

Provided with every order

Order with confidence, we are a valued certified supplier serving customers in the military and aerospace industries.

  • Counterfeit Parts Prevention
  • 100% Product Inspections
  • 7 Year Record Retention
  • On Time Delivery
  • HAZMAT Certified
  • Worldwide Shipping
FAQs
Frequently asked questions for NSN 3040-00-341-9201
What is the NIIN of the NSN 3040-00-341-9201?
The National Item Identification Number (NIIN) of the NSN 3040-00-341-9201 is 00-341-9201
When the NSN 3040-00-341-9201 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963
Does the NSN 3040-00-341-9201 contain any precious metals?
Type/content is unknown
Does the NSN 3040-00-341-9201 contain any hazardous material?
No data in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

At our core, we specialize in sourcing and supplying high-quality NSN (National Stock Number) parts to industries that demand precision and reliability.

From aerospace and defense to manufacturing and logistics, we provide the essential components that keep critical systems running.

Contact
350 Tenth Ave
San Diego, CA, 92101
United States
© 2025 National Stock Number (NSN) Parts Store, Inc. All rights reserved.
Made in USA