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Datasheet. 723989-1 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
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.
0.127in. ⁓9/64"
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.
0.187in. ⁓3/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat chamfer
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.365in. and 0.369in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.150in. ⁓5/32"
0.250in.
0.203in.
0.030in.
0.057in. and 0.063in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
slot
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"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
28
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
95.5 rockwell b
The number of externally relieved diameters on the body,adjacent to the head.
2
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.
4 drilled holes in head
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-S-7720, comp fm mil spec all material 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.
unf
Answers.
Unf
28
Flat chamfer
0.127 inches minimum
Right-hand
2a
FSC 5305 ⁓ Screws
NSN 5305-00-096-1343 SCREW,EXTERNALLY RELIEVED BODY
unf thread series 4 drilled holes in head 28 thread quantity per inch flat chamfer head style 0.127" thread length right-hand 2a thread class
- NIIN
- 000961343
- NIIN Date
- 01/01/63
- Schedule B
- Name Code
- 01852
- FIIG
- A003B0
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Italy
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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)
- 50.0
- 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
723989-1 / Screw,externally relieved bodyWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). it is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. see also bolt, externally relieved body and bolt, internal wrenching.
