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Datasheet. NAS1189V4R12A 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.
0.552in. and 0.644in. ⁓21/32"
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.
0.729in. and 0.750in. ⁓3/4"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat countersunk
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.442in. and 0.507in.
An element inserted into the fastener,or a design feature,that enables the fastener to effectively resist vibration and rotation.
patch threads or pellet threads or strip threads
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
offset cruciform (torque set)
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
The included angle of the countersink.
99.0 degrees and 101.0 degrees
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches bearing surface of head
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches grip
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches threads
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.
internal drive ribbed
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic locking feature
The chemical compound or mechanical mixture properties of which the item is fabricated.
titanium alloy uns R56400 fastener
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
AMS4928 assn std single material response fastener or AMS4967 assn std single material response fastener
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
Titanium alloy uns r56400 fastener
Plastic locking feature
28
Flat countersunk
0.552 inches minimum and 0.644 inches maximum
Right-hand
3a
Schedule B number: 8108908000
nmfc 000000
Other wrought titanium
FSC 5305 ⁓ Screws
NSN 5305-01-273-6848 SCREW,CAP,SOCKET HEAD
unjf thread series internal drive ribbed 28 thread quantity per inch flat countersunk head style 0.552" thread length right-hand 3a thread class
- NIIN
- 012736848
- NIIN Date
- 02/29/88
- Schedule B
- 8108908000
- Name Code
- 16282
- FIIG
- A003B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $14.80 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 Air Force
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- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- No rating
- 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)
- Food sercive equipment, (mkt), field ranges, vacuum cans, beverage containers, etc
- NMFC (national motor freight code)
- 000000 NO NMFC FREIGHT DESCRIPTION
- UFC (universal freight code)
- 00000
Similar by Design Other screws with similar characteristics
Nothing similar to this part number was found in our inventory
NAS1189V4R12A / Screw,cap,socket headWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.
