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Datasheet. MS51948-5 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.
1.380in. ⁓1-25/64"
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.
2.300in. and 2.310in. ⁓2-5/16"
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.
0.990in. and 1.010in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.190in. and 0.210in. ⁓7/32"
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
0.520in. first shoulder and 0.525in. first shoulder
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
0.775in. first shoulder and 0.785in. first shoulder
The length of a straight line which passes through the center of the rib,and terminates at the outermost surface of the circumference.
0.550in. and 0.560in.
A measurement of the longest dimension of a rib along a line parallel to the longitudinal axis.
0.310in. and 0.330in.
The measurement from the largest diameter of the bearing surface of the head to the ribs.
0.050in. and 0.070in.
The number of ribs included on the item.
35
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.500in. ⁓1/2"
Those features,not otherwise specified,which may be required for proper functioning of the item.
casehardened
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.
322.0 brinell standard and 363.0 brinell standard
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
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 1335 or steel comp 1340 or steel comp 4037 or steel comp 4135 or steel comp 8637 or steel comp 8640 or steel comp 8740
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
astm A547 assn std all material responses
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.
zinc and chromate or cadmium and chromate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
QQ-Z-325, cl 2 fed spec 1st treatment response and QQ-Z-325, cl 2 fed spec 2nd treatment response or QQ-P-416, cl 2 fed spec 3rd treatment response and QQ-P-416, cl 2 fed spec 4th treatment 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.
unf
Answers.
1EA
Unf
Steel comp 1335 or steel comp 1340 or steel comp 4037 or steel comp 4135 or steel comp 8637 or steel comp 8640 or steel comp 8740
20
Flat chamfer
1.380 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 5306 ⁓ Bolts
NSN 5306-01-026-5777 BOLT,RIBBED SHOULDER
unf thread series zinc surface treated 20 thread quantity per inch flat chamfer head style 1.380" thread length right-hand 3a thread class
- NIIN
- 010265777
- NIIN Date
- 08/28/76
- Schedule B
- 7318152000
- Name Code
- 16014
- FIIG
- A003B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $29.78 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)
- 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
MS51948-5 / 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.
