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Datasheet. NAS1921M04S04U 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.
0.385in. ⁓25/64"
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.
0.124in. and 0.128in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.
SELF-Plugging mechanically locked stem
0.282in. and 0.290in.
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.
RQ-4A
A measurement of the longest dimension of the grip,in distinction from width.
0.188in. and 0.250in.
The included angle of the countersink.
98.5 degrees and 101.5 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.
utilizes drive anvil washer; requires single action NON-Shifting installation tool
The chemical compound or mechanical mixture properties of which the item is fabricated.
nickel alloy sleeve
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel corrosion resisting locking ring or nickel alloy locking ring
The chemical compound or mechanical mixture properties of which the item is fabricated.
steel corrosion resisting stem
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
AMS5737 assn std 1st material response locking ring or QQ-N-281 fed spec 2nd material response locking ring
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
AMS5737 assn std single material response stem
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
QQ-N-281 fed spec single material response sleeve
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.
cadmium sleeve or aluminum sleeve
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 locking ring
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 stem
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 locking ring
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 stem
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-416 ty ii, cl 3 fed spec single treatment response sleeve or NAS4006 assn std single treatment response sleeve
Answers.
1EA
Steel corrosion resisting stem
Steel corrosion resisting locking ring or nickel alloy locking ring
Nickel alloy sleeve
0.188 inches minimum and 0.250 inches maximum
Flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer)
Schedule B number: 7508900000
Other articles of nickel (excluding cloth, grill & netting of nickel wire)
FSC 5320 ⁓ Rivets
NSN 5320-01-508-9170 RIVET,BLIND
Used on RQ-4A. passivate stem surface treated utilizes drive anvil washer; requires single action non-shifting installation tool 0.188" grip length flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style
- NIIN
- 015089170
- NIIN Date
- 06/05/03
- Schedule B
- 7508900000
- Name Code
- 00864
- FIIG
- A040A0
- QUP
- 1
- Historical Price
- $13.10 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
Major End Users Countries and entities
- - Department of The Air Force
- - France
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NAS1921M04S04U / 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.
