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Datasheet. A51G20540-11 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.
0.340in. ⁓11/32"
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.
2.880in. ⁓2-57/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
round w/wrench flats chamfered
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.750in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.125in. ⁓1/8"
0.625in.
The length of a straight line which passes through the center of a shoulder,and terminates at the circumference.
0.3740in. and 0.3745in.
The length of the enlarged portion/s/ located on the shank of the item.
2.540in.
The length of a straight line which passes through the center of the shank unthreaded hole,and terminates at the inside circumference.
0.075in. first hole and 0.080in. first hole
2.400in.
0.249in. and 0.255in.
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
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
38.0 rockwell c and 45.0 rockwell c
The distance from the shank hole centerline to the largest bearing surface of the head.
2.760in. first hole
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp XM-12
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.
chromium grip
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.
chromium head
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-C-320 fed spec 1st treatment response head
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
concentric hole unthreaded
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
Concentric hole unthreaded
Steel comp xm-12
28
Round w/wrench flats chamfered
0.340 inches maximum
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 5306-00-009-7617 BOLT,INTERNALLY RELIEVED BODY
unjf thread series concentric hole unthreaded chromium head surface treated 28 thread quantity per inch round w/wrench flats chamfered head style 0.340" thread length right-hand 3a thread class
- NIIN
- 000097617
- NIIN Date
- 08/09/72
- Schedule B
- 7318152000
- Name Code
- 06676
- FIIG
- A003B0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $275.70 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 Navy
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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
A51G20540-11 / Bolt,internally relieved bodyWhat is the formal definition of this item?
An externally threaded fastener whose external threaded portion is of one nominal diameter. it has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. the concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. the head is designed to be held or driven by an external and/or internal driver. for items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.
