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Datasheet. 51881-7 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.
2.000in. ⁓2-1/64"
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.
6.500in. ⁓6-1/2"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
knurled no. 1
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
1.000in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.500in. ⁓1/2"
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.
square
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.625in. ⁓5/8"
The shortest straight line between flats,perpendicular to the height.
0.500in. and 0.505in. ⁓33/64"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
11
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
36.0 rockwell c and 40.0 rockwell c
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
navy special project
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-S-5000 mil spec 1st material response and MIL-S-6049 mil spec 2nd material response
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.
cadmium
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-P-416, type 2 fed spec single 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.
unjc
Answers.
Unjc
Steel
11
Knurled no. 1
2.000 inches
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 5306-01-262-2199 BOLT,INTERNAL WRENCHING
unjc thread series cadmium surface treated navy special project 11 thread quantity per inch knurled no. 1 head style 2.000" thread length right-hand 3a thread class
- NIIN
- 012622199
- NIIN Date
- 08/26/87
- Schedule B
- 7318152000
- Name Code
- 06666
- FIIG
- A003B0
- QUP
- Historical Price
- $84.33 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
Other Part Numbers Parts with same form, fit, and function by other manufacturers
| 1. | 518881-7 | Cage 80020 |
Major End Users Countries and entities
- - Department of The Navy
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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)
- Iron or steel, structural, (less than 35 feet)(see 825)
- 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
51881-7 / Bolt,internal wrenchingWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. it is designed with an internal socket or internal multiple spline for use with an internal driver. the head is beveled (conical) or cylindrical in shape. items with cylindrical shaped heads must have an externally relieved body. a locking feature may be incorporated in the design of the head or threads. see also screw, cap, socket head. excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.
