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Datasheet. 19H3053 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.
0.889in. and 1.000in. ⁓1/64"
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.
1.000in. ⁓1/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
0.306in. and 0.312in. ⁓5/16"
0.457in. and 0.469in.
The national stock number or the identification information of the end equipment for which the item is a part.
part of interior armor kit 2540-01-533-8813; nha nsn M915A3 armor kit 2540-01-523-1336; used on armored version of M915A3 2320-01-523-2486
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"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
18
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.
zinc
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unc
Answers.
Unc
18
Hexagon
0.889 inches minimum and 1.000 inches maximum
Right-hand
3a
FSC 5305 ⁓ Screws
NSN 5305-01-197-2434 SCREW,CAP,HEXAGON HEAD
Used on part of interior armor kit 2540-01-533-8813; nha nsn m915a3 armor kit 2540-01-523-1336; armored version of m915a3 2320-01-523-2486. unc thread series zinc surface treated 18 thread quantity per inch hexagon head style 0.889" thread length right-hand 3a thread class
- NIIN
- 011972434
- NIIN Date
- 12/19/84
- Schedule B
- Name Code
- 18257
- FIIG
- A003B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $1.10 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 Army
- - Department of The Navy
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- 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)
- 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
- Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
- Commodity (for shipments via water)
- Metal hardware
- NMFC (national motor freight code)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
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Nothing similar to this part number was found in our inventory
19H3053 / Screw,cap,hexagon headWhat is the formal definition of this item?
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
