Thumbscrew
8849338-1
(NSN) National Stock Number
5305-00-638-8440
Federal Supply Classification
5305 Screws
Item Name Code
06673
Schedule B Code
7616106000
Summary
2a thread class, right-hand thread direction, 0.250 inches minimum thread length, 0.531 inches nominal fastener length, knurled no. 1 head style, 0.750 inches nominal head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | 9Z |
Identification
An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 06673 | 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
0.250 inches minimum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
0.531 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
knurled no. 1
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.750 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
0.125 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Point Style
full dog
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.Nominal Thread Diameter
0.438 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
14
Details
The number of threads on the item per linear inch measured on a line parallel to the thread axis.Material
aluminum alloy 2024 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-a-225/6 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
anodize 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.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 |
|---|---|---|---|---|---|---|---|
| 8849338-1 | 21921 | X | - | 3 | 9 | - | XX |
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 |
|---|---|---|---|
| 05760 | - | Q | Q |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- ISO9001 / AS9100 Quality Standards
- HAZMAT Certified
- On Time Delivery
- Qualified sales team
- Counterfeit Parts Prevention
- 100% Product Inspections
Manufacturer
LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN
CAGE: 49671
ORLANDO
, FL
, 32825
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-638-8440
What is the NIIN of the NSN 5305-00-638-8440?
The National Item Identification Number (NIIN) of the NSN 5305-00-638-8440 is 00-638-8440
When the NSN 5305-00-638-8440 was assigned to the Federal Catalog?
It was assigned 61 years ago, on Tue, Jan 1, 1963
Does the NSN 5305-00-638-8440 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-638-8440 contain any hazardous material?
No data in HMIRS
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