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Datasheet. 3M1170D4-4AF specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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.
RIGHT-Hand
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.425in. ⁓7/16"
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.
0.660in. and 0.690in. ⁓45/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat countersunk
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.3859in. and 0.3948in.
The length of a straight line which passes through the center of the smallest cross section of a spline,and terminates at the circumference.
0.1105in. and 0.1125in.
The length of a straight line which passes through the center of the largest cross section of a spline,and terminates at the circumference.
0.1540in. and 0.1560in.
The length of a straight line which passes through the center of the grip,and terminates at the circumference.
0.2485in. and 0.2495in.
The minimum load,applied perpendicularly to the longitudinal axis of an item,at which point the item will fracture when subjected to the standard single shear test method.
125000 pounds per square inch
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.
flat
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
torx
The national stock number or the identification information of the end equipment for which the item is a part.
F18 e/f
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.250in. ⁓1/4"
A measurement of the longest dimension of the grip,in distinction from width.
0.240in. and 0.260in.
Those features,not otherwise specified,which may be required for proper functioning of the item.
dry film lubricant
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
28
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
4400 pounds per square inch
The included angle of the countersink.
99.0 degrees and 101.0 degrees
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
agav
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
bolt, 100 deg reduced head, gear drive recess
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.
cetyl alcohol per MIL-L-87132, type i, grade b; chamfered end - chamfer plus incomplete threads not to exceed 2 thread pitches
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp XM-13
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
ams 5629, PH13-8Mo assn std single material response
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.
aluminum
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
MIL-DTL-83488, type ii, class 3 mil spec single treatment response
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unjf
Answers.
Unjf
Steel comp xm-13
28
0.240 inches minimum and 0.260 inches maximum
Flat countersunk
0.425 inches
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-481-7843 SCREW,CLOSE TOLERANCE
Used on f18 e/f. unjf thread series aluminum surface treated cetyl alcohol per mil-l-87132, type i, grade b; chamfered end - chamfer plus incomplete threads not to exceed 2 thread pitches bolt, 100 deg reduced head, gear drive recess 28 thread quantity per inch 0.240" grip length flat countersunk head style 0.425" thread length right-hand 3a thread class
- NIIN
- 014817843
- NIIN Date
- 01/25/01
- Schedule B
- 7318152000
- Name Code
- 29294
- FIIG
- A003B0
- QUP
- Historical Price
- $70.00 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- No precious metals
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | HP1170D4-4F | Cage 0ZC92 |
| 2. | TX1027D4-4AF | Cage 27624 |
| 3. | 11825D4-4AF | Cage 59563 |
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3M1170D4-4AF / Screw,close toleranceWhat is the formal definition of this item?
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.
