Shoulder Screw

SMB640120-1

SMB640120-1
(NSN) National Stock Number
5305-00-001-4872
Federal Supply Classification
5305 Screws
Item Name Code
22846
Schedule B Code
7318152000
Summary

2a thread class, right-hand thread direction, 0.776 inches minimum and 0.898 inches maximum thread length, 0.969 inches minimum and 1.031 inches maximum fastener length, round head style, 0.322 inches minimum and 0.348 inches maximum head diameter

DAC HCC DMIL RNCC
1 - - 3
RNVC SADC MSDS RNAAC
2 - - CL
Identification

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

INC FIIG Concept Condition
22846 A003B0 - 1
Specifications
Thread Class
2a
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.
Thread Length
0.776 inches minimum and 0.898 inches maximum
Details A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
Fastener Length
0.969 inches minimum and 1.031 inches maximum
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.
Head Style
round
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
Head Diameter
0.322 inches minimum and 0.348 inches maximum
Details The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
Head Height
0.165 inches minimum and 0.185 inches maximum
Details A measurement from the bottom to the top of the head,in distinction from depth.
Shoulder Length
0.133 inches minimum first shoulder and 0.147 inches maximum first shoulder
Details The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
Internal Drive Style
slot
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
Nominal Thread Diameter
0.190 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
32
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Shoulder Shape
round first shoulder
Details The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.
Special Features
shoulder medium straight knurled
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.
Surface Treatment
cadmium overall 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 all treatment responses 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
unf
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.
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
- - - -
RVC WCC TCC SHC
- - - -

Certified Supplier

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

  • Fast Quote Times
  • Qualified sales team
  • 100% Product Inspections
  • Counterfeit Parts Prevention
Manufacturer
US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
CAGE: 80063
ABERDEEN PROVING GROUND , MD , 21005
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5305-00-001-4872
What is the NIIN of the NSN 5305-00-001-4872?
The National Item Identification Number (NIIN) of the NSN 5305-00-001-4872 is 00-001-4872
When the NSN 5305-00-001-4872 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Sep 29, 1972
Does the NSN 5305-00-001-4872 contain any precious metals?
Does not contain precious metal
Does the NSN 5305-00-001-4872 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.

Who we are?

We are one of the largest suppliers of National Stock Number (NSN) parts in the world. Here at NSN Equipment, we live on the cutting edge to give you the best service we possibly can.

And that service is why our customers return to us time and time again. Our credibility and our accolades only serve as testament to our industry-leading nature.

Contact
3555 Agricultural Center Dr.
St. Augustine, FL, 32092
United States
© 2024 NSN Equipment, Inc. All rights reserved.
Made in USA