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Datasheet. 20X881 specification
Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
2a
Thread Direction
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.
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.
LEFT-Hand
Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
1.590in. ⁓1-19/32"
Fastener Length
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.
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.
3.310in. ⁓3-5/16"
Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flat chamfer
Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
1.310in.
Head Height
A measurement from the bottom to the top of the head,in distinction from depth.
A measurement from the bottom to the top of the head,in distinction from depth.
0.310in. ⁓5/16"
Shoulder Diameter
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
0.974in. first shoulder and 0.975in. first shoulder
Shoulder Length
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
1.250in. first shoulder
Rib Major Diameter
The length of a straight line which passes through the center of the rib,and terminates at the outermost surface of the circumference.
The length of a straight line which passes through the center of the rib,and terminates at the outermost surface of the circumference.
0.998in. and 1.006in.
Rib Length
A measurement of the longest dimension of a rib along a line parallel to the longitudinal axis.
A measurement of the longest dimension of a rib along a line parallel to the longitudinal axis.
0.480in. and 0.520in.
Distance From Largest Diameter Of Bearing Surface Of Head To Ribs
The measurement from the largest diameter of the bearing surface of the head to the ribs.
The measurement from the largest diameter of the bearing surface of the head to the ribs.
0.620in.
Rib Minor Diameter
The length of a straight line which passes through the center of the rib,and terminates at the innermost surface of the circumference.
The length of a straight line which passes through the center of the rib,and terminates at the innermost surface of the circumference.
0.945in.
Rib Quantity
The number of ribs included on the item.
The number of ribs included on the item.
36
Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.938in. ⁓61/64"
Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
12
Rib Included Angle
The included angle between the ribs.
The included angle between the ribs.
90.0 degrees
Shoulder Shape
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.
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
Material
The chemical compound or mechanical mixture properties of which the item is fabricated.
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
un
Answers.
What class is the thread series?
Un
What material is the ribbed shoulder bolt made of ?
Steel
What is the thread quantity per inch?
12
What is the head style?
Flat chamfer
What is the thread length?
1.590 inches
What is the thread direction?
Left-hand
What is the thread class?
2a
How is this classified for shipping?
Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment
What's the federal classification of 20X881?
FSC 5306 ⁓ Bolts
NSN 5306-00-853-4523 BOLT,RIBBED SHOULDER
un thread series 12 thread quantity per inch flat chamfer head style 1.590" thread length left-hand 2a thread class
- NIIN
- 008534523
- NIIN Date
- 11/22/66
- Schedule B
- 7318152000
- Name Code
- 16014
- FIIG
- A003B0
- Item Weight
- 0.700lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $32.50 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
Major End Users Countries and entities
- - Department of The Air Force
- - Canada
Availability for 20X881 A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- 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)
- Bolts or nuts (iron or steel),(less than 35 feet)
- NMFC (national motor freight code)
- 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
- UFC (universal freight code)
- 48950
Similar by Design Other bolts with similar characteristics
Nothing similar to this part number was found in our inventory
20X881 / Bolt,ribbed shoulderWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter. it has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. the minor diameter of the ribs must be greater than the major diameter of the threads. see also bolt, ribbed neck.
