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Datasheet. 581528 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.
0.380in. ⁓25/64"
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.
0.820in. ⁓53/64"
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.
0.620in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.180in. ⁓3/16"
The length of a straight line which passes through the center of a hole,and terminates at the circumference.
0.048in. ⁓1/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
hexagon
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 shortest straight line between flats,perpendicular to the height.
0.190in. ⁓13/64"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
20
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
30.0 rockwell c and 38.0 rockwell c
The style designation that most nearly corresponds to the appearance of the hole configuration.
round
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.
round first shoulder
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.
shoulder dia. 3rd and 4th replys 0.270 in. nom., 0.375 in. nom, shoulder length 3rd and 4th replys 0.115 in. nom, 0.065 in. nom
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 410
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-S-763 fed spec single material 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.
unc
Answers.
Unc
Steel comp 410
20
0.048 inches
Flat chamfer
0.380 inches minimum
Right-hand
3a
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-00-075-9507 SCREW,SHOULDER
unc thread series shoulder dia. 3rd 20 thread quantity per inch 0.048" hole diameter flat chamfer head style 0.380" thread length right-hand 3a thread class
- NIIN
- 000759507
- NIIN Date
- 01/01/63
- Schedule B
- 7318152000
- Name Code
- 22846
- FIIG
- A003B0
- Item Weight
- 1.000lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $126.50 EA
- 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
- - Department of The Air Force
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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
581528 / Screw,shoulderWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. it has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. no. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. a locking feature may be incorporated in the design of the head or threads. for items which are both shouldered and have an externally relieved body, use screw, externally relieved body. for items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. excludes bolt, internal wrenching and screw, cap, socket head.
