Internal Wrenching Bolt

21133-24
(NSN) National Stock Number
5306-01-448-1194
Federal Supply Classification
5306 Bolts
Item Name Code
06666
Schedule B Code
7318152000
Summary

3a thread class, right-hand thread direction, 3.750 inches nominal fastener length, 0.312 inches nominal thread diameter, 24 thread quantity per inch, drilled head special features

DAC HCC DMIL RNCC
5 - - 5
RNVC SADC MSDS RNAAC
9 - - ZZ
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

INC FIIG Concept Condition
06666 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.
Fastener Length
3.750 inches nominal
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.
Nominal Thread Diameter
0.312 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
24
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Special Features
drilled head
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 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
mil-b-7838 mil spec single 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 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,ty2 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
unjf
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
21140-29 78062 A - 3 9 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
48950 - W -
RVC WCC TCC SHC
- 573 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 5306-01-448-1194
What is the NIIN of the NSN 5306-01-448-1194?
The National Item Identification Number (NIIN) of the NSN 5306-01-448-1194 is 01-448-1194
When the NSN 5306-01-448-1194 was assigned to the Federal Catalog?
It was assigned 27 years ago, on Thu, Aug 21, 1997
Does the NSN 5306-01-448-1194 contain any precious metals?
Does not contain precious metal
Does the NSN 5306-01-448-1194 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