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Datasheet. PBF1253-3-20 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.
0.331in. ⁓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.
1.566in. and 1.612in. ⁓1-5/8"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
double hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
0.130in. and 0.150in. ⁓5/32"
0.419in.
The length of a straight line which passes through the center of the grip,and terminates at the circumference.
0.367in. and 0.376in.
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.190in. (UTS #10)
A measurement of the longest dimension of the grip,in distinction from width.
1.250in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
32
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
3160 pounds per square inch
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
shearbolt, high strength, 12 pt head, ph 13-8 molybdenum
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.
7, 088 double shear strength and 3, 160 tenstile strenght in pounds ; 125, 000 min psi shear heat treat
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp XM-13
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
AMS5629 assn std single 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.
passivate
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
MIL-S-5002 mil 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.
unf
Answers.
Unf
Steel comp xm-13
32
1.250 inches
Double hexagon
0.331 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 5306-01-478-2852 BOLT,CLOSE TOLERANCE
unf thread series passivate surface treated 7, 088 double shear strength shearbolt, high strength, 12 pt head, ph 13-8 molybdenum 32 thread quantity per inch 1.250" grip length double hexagon head style 0.331" thread length right-hand 3a thread class
- NIIN
- 014782852
- NIIN Date
- 09/05/00
- Schedule B
- 7318152000
- Name Code
- 27851
- FIIG
- A003B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $49.85 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. | ST3M453-3-20 | Cage 76301 |
| 2. | AIC753-3-20 | Cage 06725 |
| 3. | VAL23029-3-20 | Cage 06710 |
| 4. | VS3204-3-20 | Cage 06950 |
| 5. | HP5453-3-20 | Cage 0ZC92 |
| 6. | BM17019-3-20 | Cage 17446 |
| 7. | 109453-3-20 | Cage 56878 |
| 8. | FIT7047-3-20 | Cage 58998 |
| 9. | S11-1060-3-20 | Cage 57928 |
| 10. | 11825-3-20 | Cage 59563 |
| 11. | 109453-3-20 | Cage 80539 |
| 12. | MB61-3-20 | Cage 73197 |
| 13. | MB61-3-20 | Cage L4528 |
| 14. | 109453-3-20 | Cage 0PTK6 |
| 15. | KS3020-3-20 | Cage 59764 |
| 16. | ST3M453 | Cage 76301 |
Major End Users Countries and entities
- - Department of The Air Force
Availability for PBF1253-3-20 A member of our team will provide you with a price and availability quote
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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
PBF1253-3-20 / Bolt,close toleranceWhat is the formal definition of this item?
An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
