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Datasheet. SLB265-4-21 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.
0.592in. ⁓19/32"
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.
1.890in. and 1.920in. ⁓1-59/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
spline extended washer
A measurement from the bottom to the top of the head,in distinction from depth.
0.240in. and 0.260in. ⁓17/64"
0.460in. and 0.470in.
0.026in. and 0.046in.
The length of a straight line which passes through the center of the grip,and terminates at the circumference.
0.2485in. and 0.2495in.
0.235in. and 0.250in.
The national stock number or the identification information of the end equipment for which the item is a part.
C-17A aircraft
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"
A measurement of the longest dimension of the grip,in distinction from width.
1.303in. and 1.323in.
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
28
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.
180000 pounds per square inch
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches bearing surface of head
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.
32.0 microinches grip
The chemical compound or mechanical mixture properties of which the item is fabricated.
nickel alloy 718
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
AMS5662 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.
QQ-P-35 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.
unjf
Answers.
1EA
Unjf
Nickel alloy 718
28
1.303 inches minimum and 1.323 inches maximum
Spline extended washer
0.592 inches
Right-hand
3a
Schedule B number: 7508900000
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5306 ⁓ Bolts
NSN 5306-01-515-9828 BOLT,SHEAR
Used on c-17a aircraft. unjf thread series passivate surface treated 28 thread quantity per inch 1.303" grip length spline extended washer head style 0.592" thread length right-hand 3a thread class
- NIIN
- 015159828
- NIIN Date
- 12/15/03
- Schedule B
- 7508900000
- Name Code
- 15903
- FIIG
- A003B0
- QUP
- 1
- Historical Price
- $31.65 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. | PBF1535-4-21 | Cage 27624 |
| 2. | 80994-4-21 | Cage 56878 |
| 3. | 3D0013-4-21 | Cage 88277 |
| 4. | 871-4-21 | Cage 06725 |
Major End Users Countries and entities
- - Department of The Air Force
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SLB265-4-21 / Bolt,shearWhat is the formal definition of this item?
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. the head is designed to accommodate an external wrench or driver. 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. the unthreaded portion is of specific 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. a locking feature may be incorporated in the design of the head or threads. see bolt, machine and bolt, clevis.
