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Datasheet. NAS1721H5L4A specification
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.
0.419in. ⁓27/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer)
The length of a straight line which passes through the center of the body of the shank and terminates at the circumference.
0.155in. and 0.160in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.
0.285in. and 0.286in.
The device by which the item is expanded and set.
serrated STEM-Type w
The national stock number or the identification information of the end equipment for which the item is a part.
aircraft applications
A measurement of the longest dimension of the grip,in distinction from width.
0.172in. and 0.266in.
The included angle of the countersink.
100.0 degrees
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
blind rivet flush head
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.
RIVET-Blind, 100deg flush head (MS20426 head) , mechanically locked spindle; max length 0.65in
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum alloy 7075 mandrel
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-A-430 fed spec single material response mandrel
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.
anodize mandrel
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-A-8625 yellow mil spec 1st treatment response mandrel or MIL-C-5541 chem film mil spec 2nd treatment response mandrel
Answers.
Aluminum alloy 7075 mandrel
0.172 inches minimum and 0.266 inches maximum
Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer)
FSC 5320 ⁓ Rivets
NSN 5320-01-572-3913 RIVET,BLIND
Used on aircraft applications. anodize mandrel surface treated rivet-blind, 100deg flush head (MS20426 head) , mechanically locked spindle; max length 0.65in blind rivet flush head 0.172" grip length flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style
- NIIN
- 015723913
- NIIN Date
- 03/10/09
- Schedule B
- Name Code
- 00864
- FIIG
- A040A0
- 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
Major End Users Countries and entities
- - United Kingdom
- - Italy
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NAS1721H5L4A / Rivet,blindWhat is the formal definition of this item?
An item consisting of two or more of the following components: stem, rivet body, sleeve, expander, bolt, and collar. it is a headed fastening device with the shank designed to be expanded by means of a separate or integral stem or mandrel, or bolt and expander. it is designed to be installed or expanded from one side only. excludes nut, blind assembly.
