Shoulder Screw
106B5740P1
(NSN) National Stock Number
5305-00-021-2578
Federal Supply Classification
5305 Screws
Item Name Code
22846
Schedule B Code
7318152000
Summary
3a thread class, right-hand thread direction, 0.330 inches nominal thread length, 6.260 inches nominal fastener length, flat chamfer head style, 0.250 inches nominal head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 2 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | SB |
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
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.Thread Length
0.330 inches nominal
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
6.260 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.Head Style
flat chamfer
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.250 inches nominal
Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Head Height
0.300 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Shoulder Diameter
0.116 inches nominal second shoulder
Details
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.Shoulder Diameter
0.187 inches nominal first shoulder
Details
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.Shoulder Length
0.029 inches nominal second shoulder
Details
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.Shoulder Length
5.570 inches minimum first shoulder and 5.590 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
0.138 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.Hardness Rating
23.0 rockwell c minimum overall and 32.0 rockwell c maximum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Shoulder Shape
round all shoulders
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
3rd shoulder 0.172 in. dia by 0.250 in. lg,4th shoulder 0.116 in. dia 0.029 in. lg,5th shoulder 0.187 in. dia by 0.041 in. lg
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 comp 416 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-s-763 fed 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
passivate 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
mil-f-14072 mil 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
unc
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 |
|---|---|---|---|---|---|---|---|
| 106B5740P0001 | 99971 | 5 | - | 3 | 9 | - | 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 |
|---|---|---|---|
| 48950 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 573 | Z | Z |
Certified Supplier
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Manufacturer
LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS
CAGE: 99971
SYRACUSE
, NY
, 13221-4840
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-021-2578
What is the NIIN of the NSN 5305-00-021-2578?
The National Item Identification Number (NIIN) of the NSN 5305-00-021-2578 is 00-021-2578
When the NSN 5305-00-021-2578 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, Apr 19, 1968
Does the NSN 5305-00-021-2578 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-021-2578 contain any hazardous material?
No data in HMIRS
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