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Datasheet. 13D0021-216 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.
0.425in. ⁓7/16"
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.
1.425in. ⁓1-7/16"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
dished hexagon
A measurement from the bottom to the top of the head,in distinction from depth.
0.125in. and 0.140in. ⁓9/64"
0.429in. and 0.439in.
The number of washers included on the item.
1
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
0.480in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.
finishing
0.032in.
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.
item is furnished with tab cres per MIL-S-5059
The chemical compound or mechanical mixture properties of which the item is fabricated.
iron alloy 660 fastener
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 301 primary washer or steel comp 302 primary washer or steel comp 304 primary washer
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel comp 303 STAND-Off
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
AMS5731 assn std single material response fastener or AMS5737 assn std single material response fastener
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-S-5059 mil spec single material response primary washer
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-S-764 fed spec single material response STAND-Off
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.
Unjf
Steel comp 303 stand-off
Steel comp 301 primary washer or steel comp 302 primary washer or steel comp 304 primary washer
Iron alloy 660 fastener
28
Dished hexagon
0.425 inches
Right-hand
3a
Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment
FSC 5306 ⁓ Bolts
NSN 5306-01-382-4142 BOLT,ASSEMBLED WASHER
unjf thread series passivate surface treated item is furnished with tab cres per mil-s-5059 28 thread quantity per inch dished hexagon head style 0.425" thread length right-hand 3a thread class
- NIIN
- 013824142
- NIIN Date
- 11/02/93
- Schedule B
- 7318152000
- Name Code
- 06659
- FIIG
- A003B0
- QUP
- Historical Price
- $119.68 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
Major End Users Countries and entities
- - Department of The Air Force
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13D0021-216 / Bolt,assembled washerWhat is the formal definition of this item?
A bolt, machine on which has been assembled one or more nonremovable washers. see also screw, assembled washer.
