Thumbscrew
A25A978-101-39
(NSN) National Stock Number
5305-00-005-1545
Federal Supply Classification
5305 Screws
Item Name Code
06673
Schedule B Code
7318152000
Summary
3a thread class, right-hand thread direction, 0.750 inches maximum thread length, 2.620 inches nominal fastener length, knurled no. 1 head style, 0.880 inches nominal head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 2 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | SB |
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
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
0.750 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
2.620 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
0.880 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
0.380 inches nominal
Details
A measurement from the bottom to the top of the head,in distinction from depth.Shoulder Diameter
0.499 inches minimum first shoulder and 0.500 inches maximum first shoulder
Details
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.Shoulder Length
1.870 inches nominal first shoulder
Details
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.Point Style
pointless
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.Nominal Thread Diameter
0.250 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
28
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 tapered 5 deg by 0.940 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 303 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-s-764 cond a 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.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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| 2910000051545 | A00AM | 9 | - | 6 | 9 | - | YP |
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 CORPORATION DIV LOCKHEED MARTIN SYSTEMS & GLOBAL SOLUTIONS
CAGE: 99696
GOODYEAR
, AZ
, 85338-1513
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-005-1545
What is the NIIN of the NSN 5305-00-005-1545?
The National Item Identification Number (NIIN) of the NSN 5305-00-005-1545 is 00-005-1545
When the NSN 5305-00-005-1545 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Jun 16, 1972
Does the NSN 5305-00-005-1545 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-005-1545 contain any hazardous material?
No data in HMIRS
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