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Datasheet. NAS1921B04-04FC 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.
0.287in. and 0.307in. ⁓5/16"
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.
0.125in. and 0.129in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.
SELF-Plugging shank w/grooved end for locking
0.207in. and 0.225in.
A measurement of the longest dimension of the grip,in distinction from width.
0.179in. and 0.203in.
The included angle of the countersink.
99.0 degrees and 101.0 degrees
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.
chemical film treatment per MIL-DTL-5541, class 1a
The chemical compound or mechanical mixture properties of which the item is fabricated.
aluminum
Answers.
Aluminum
0.179 inches minimum and 0.203 inches maximum
Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer)
Schedule B number: 7616103000
Aluminum rivets
FSC 5320 ⁓ Rivets
NSN 5320-01-625-8014 RIVET,BLIND
chemical film treatment per mil-dtl-5541, class 1a 0.179" grip length flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style
- NIIN
- 016258014
- NIIN Date
- 02/14/14
- Schedule B
- 7616103000
- Name Code
- 00864
- FIIG
- A040A0
- DEMIL / ITAR
- Uncontrolled item (Code )
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- --
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - Republic of Korea
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NAS1921B04-04FC / 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.
