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Datasheet. 7521548 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.
0.688in. ⁓45/64"
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.
3.000in. ⁓3-1/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
0.469in. ⁓15/32"
0.875in.
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.
0.625in. first shoulder
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.
2.188in. first shoulder
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"
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.
20.0 rockwell c and 25.0 rockwell c
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
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.
undercut between shoulder and threads 7/16 in. dia. by 1/16 in. wide
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 1010 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1524 or steel comp 1025 or steel comp 1527 or steel comp 1030 or steel comp 1035 or steel comp 1109 or steel comp 1117 or steel comp 1118 or steel comp 1120
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-S-633 fed spec 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.
cadmium or zinc
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, ty 2, cl 3 fed spec 1st treatment response or QQ-Z-325, ty 2, cl 3 fed spec 2nd 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 1010 or steel comp 1015 or steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1524 or steel comp 1025 or steel comp 1527 or steel comp 1030 or steel comp 1035 or steel comp 1109 or steel comp 1117 or steel comp 1118 or steel comp 1120
20
Hexagon
0.688 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 5306-00-752-1548 BOLT,SHOULDER
unf thread series cadmium or zinc surface treated undercut between shoulder 20 thread quantity per inch hexagon head style 0.688" thread length right-hand 3a thread class
- NIIN
- 007521548
- NIIN Date
- 01/01/62
- Schedule B
- 7318152000
- Name Code
- 04905
- FIIG
- A003B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $19.55 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
| 1. | 33B1 | Cage 56442 |
| 2. | 913292X2 | Cage 58275 |
Major End Users Countries and entities
- - Department of The Navy
- - Department of The Army
- - Department of The Air Force
- - Austria
- - Spain
- - Singapore
- - Canada
- - Portugal
- - Greece
- - Turkey
Availability for 7521548 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
7521548 / Bolt,shoulderWhat 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 has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is not designed to be held or driven with an inserted drivers. a locking feature may be incorporated in the design of the head or threads. for items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. for items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. excludes thumbscrew.
