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Datasheet. 91211A127 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.
0.750in. 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.
2.500in. ⁓2-1/2"
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.
0.156in. ⁓5/32"
0.438in.
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
patch threads
The national stock number or the identification information of the end equipment for which the item is a part.
apache attack helicopter
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.
20
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
150000 pounds per square inch
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
screw, cap, hex head, grade 8 w/locking patch
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.
item has a YELLOW-Chromate finish
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel fastener
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
sae J429, gr 8 assn std single material response fastener
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.
chromate zinc fastener
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.
patch can withstand temps -65 to 250 deg f
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 fastener
20
Hexagon
0.750 inches minimum and 1.000 inches maximum
Right-hand
2a
Schedule B number: 7318152000
nmfc 096640
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5305 ⁓ Screws
NSN 5305-01-624-7962 SCREW,CAP,HEXAGON HEAD
Used on apache attack helicopter. unc thread series chromate zinc fastener surface treated item has a yellow-chromate finish screw, cap, hex head, grade 8 w/locking patch 20 thread quantity per inch hexagon head style 0.750" thread length right-hand 2a thread class
- NIIN
- 016247962
- NIIN Date
- 01/15/14
- Schedule B
- 7318152000
- Name Code
- 18257
- FIIG
- A003B0
- DEMIL / ITAR
- Uncontrolled item (Code )
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- --
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Department of The Army
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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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Nothing similar to this part number was found in our inventory
91211A127 / 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.
