Close Tolerance Screw
NAS1581A3H11T
(NSN) National Stock Number
5305-00-035-5382
Federal Supply Classification
5305 Screws
Item Name Code
29294
Schedule B Code
7318152000
Summary
3a thread class, right-hand thread direction, 0.338 inches minimum and 0.388 inches maximum thread length, 1.036 inches minimum and 1.066 inches maximum fastener length, flat countersunk head style, 0.258 inches minimum head diameter
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 5 | - | - | 5 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | KZ |
Identification
A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 29294 | 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
0.338 inches minimum and 0.388 inches maximum
Details
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.Fastener Length
1.036 inches minimum and 1.066 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
flat countersunk
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.Head Diameter
0.258 inches minimum
Details
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.Grip Diameter
0.1885 inches minimum and 0.1895 inches maximum
Details
The length of a straight line which passes through the center of the grip,and terminates at the circumference.Internal Drive Style
high-torque
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.Grip Length
0.678 inches minimum and 0.698 inches maximum
Details
A measurement of the longest dimension of the grip,in distinction from width.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.Minimum Tensile Strength
160000 pounds per square inch
Details
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.Hardness Rating
36.0 rockwell c minimum overall and 40.0 rockwell c maximum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Details
The included angle of the countersink.Surface Finish
32.0 microinches overall
Details
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.Material
steel comp 4140 overall or steel comp e4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
mil-s-5626 mil spec 1st material response overall or mil-s-5000 mil spec 2nd material response overall or mil-s-8503 mil spec 3rd material response overall or mil-s-6098 mil spec 4th material response overall or mil-s-6049 mil spec 5th 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 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,type 2 class 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
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.Specification/Standard Data
80205-nas1581 professional/industrial association standard
Details
The document designator of the specification or standard which established the item of supply.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| NAS1581A3H11 | 80205 | 4 | - | 5 | 9 | - | KZ |
| NAS1581F3H11 | 80205 | 5 | - | 3 | 2 | - | 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 |
|---|---|---|---|
| - | 713 | Z | 9 |
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Manufacturer
NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
CAGE: 80205
ARLINGTON
, VA
, 22209
UNITED STATES
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FAQs
Frequently asked questions for NSN 5305-00-035-5382
What is the NIIN of the NSN 5305-00-035-5382?
The National Item Identification Number (NIIN) of the NSN 5305-00-035-5382 is 00-035-5382
When the NSN 5305-00-035-5382 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Nov 3, 1972
Does the NSN 5305-00-035-5382 contain any precious metals?
Type/content is unknown
Does the NSN 5305-00-035-5382 contain any hazardous material?
No data in HMIRS
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