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Datasheet. AIC618-5-21 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.
0.476in. and 0.526in. ⁓17/32"
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.
1.297in. and 1.327in. ⁓1-21/64"
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.
0.429in. and 0.479in.
The length of a straight line which passes through the center of the grip,and terminates at the circumference.
0.311in. and 0.312in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
offset cruciform (torque set)
The national stock number or the identification information of the end equipment for which the item is a part.
F-16 acft
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.312in. ⁓5/16"
A measurement of the longest dimension of the grip,in distinction from width.
0.914in. and 0.944in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
24
The included angle of the countersink.
91.0 degrees
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
SCREW-Low hd, skirt hd
The chemical compound or mechanical mixture properties of which the item is fabricated.
cadmium
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.
cadmium
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
NAS672 assn std all treatment responses
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.
1EA
Unjf
Cadmium
24
0.914 inches minimum and 0.944 inches maximum
Flat countersunk
0.476 inches minimum and 0.526 inches maximum
Right-hand
3a
Schedule B number: 8107900000
nmfc 096640
Cadmium, wrought and articles thereof nesoi
FSC 5305 ⁓ Screws
NSN 5305-01-520-6706 SCREW,CLOSE TOLERANCE
Used on f-16 acft. unjf thread series cadmium surface treated screw-low hd, skirt hd 24 thread quantity per inch 0.914" grip length flat countersunk head style 0.476" thread length right-hand 3a thread class
- NIIN
- 015206706
- NIIN Date
- 05/20/04
- Schedule B
- 8107900000
- Name Code
- 29294
- FIIG
- A003B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $16.95 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
Major End Users Countries and entities
- - Department of The Air Force
- - Poland
Availability for AIC618-5-21 A member of our team will provide you with a price and availability quote
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 70.0
- LCL (less than a car load rating)
- Unknown
- Special Cargo
- No special type of cargo code applicable
- Air Freight (Minimum cargo door size required)
- Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- Customs Requirement Classification
- Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft
- Commodity (for shipments via water)
- Metal hardware
- NMFC (national motor freight code)
- 096640 SCREWS, IRON OR STEEL
- UFC (universal freight code)
- 50600
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AIC618-5-21 / 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.
