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Datasheet. 3M1103-4D18 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.
0.443in. and 0.493in. ⁓1/2"
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.
1.578in. and 1.608in. ⁓1-39/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
spline extended washer
A measurement from the bottom to the top of the head,in distinction from depth.
0.194in. and 0.234in. ⁓15/64"
0.460in. and 0.470in.
0.026in. and 0.046in.
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.076in. and 0.081in. ⁓3/32"
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 length of a straight line which passes through the center of the shank unthreaded hole,and terminates at the inside circumference.
0.076in. first hole and 0.081in. first hole
0.423in. and 0.438in.
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.
1.115in. and 1.135in.
The number of holes provided.
4
Indicates the type of hole(s) provided in the item.
drilled
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.
180000 pounds per square inch
The style designation that most nearly corresponds to the appearance of the hole configuration.
round longitudinal hole
The distance from the shank hole centerline to the largest bearing surface of the head.
1.386in. first hole and 1.426in. first hole
The chemical compound or mechanical mixture properties of which the item is fabricated.
nickel alloy
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.
chromium
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
Nickel alloy
28
1.115 inches minimum and 1.135 inches maximum
0.076 inches minimum and 0.081 inches maximum
Spline extended washer
0.443 inches minimum and 0.493 inches maximum
Right-hand
3a
Schedule B number: 7508900000
nmfc 093486
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5306 ⁓ Bolts
NSN 5306-01-215-5323 BOLT,SHEAR
unjf thread series chromium surface treated 28 thread quantity per inch 1.115" grip length 0.076" hole diameter spline extended washer head style 0.443" thread length right-hand 3a thread class
- NIIN
- 012155323
- NIIN Date
- 08/26/85
- Schedule B
- 7508900000
- Name Code
- 15903
- FIIG
- A003B0
- Item Weight
- 0.000lbs
- Item Dimensions
- 75 X 43
- QUP
- 1
- Historical Price
- $172.48 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
Major End Users Countries and entities
- - Department of The Navy
Availability for 3M1103-4D18 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- Rating variable
- LCL (less than a car load rating)
- Rating variable
- 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)
- Bolts or nuts (iron or steel),(less than 35 feet)
- NMFC (national motor freight code)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
Similar by Design Other bolts with similar characteristics
Nothing similar to this part number was found in our inventory
3M1103-4D18 / Bolt,shearWhat is the formal definition of this item?
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. the head is designed to accommodate an external wrench or driver. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. the unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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. a locking feature may be incorporated in the design of the head or threads. see bolt, machine and bolt, clevis.
