OmniSynk Distribution Services

NAS1670-4L8

Rivet, Blind

Part number
NAS1670-4L8
NSN
5320-00-781-8609
NIIN
00-781-8609
Item name
Rivet, Blind
Manufacturer
Alcoa Fastening Systems Fairchild
CAGE code
C4293
FSC
5320
Unit of issue
EA
DEMIL code
A

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Alternate part numbers

Technical characteristics

Head Style
Flush (flat) countersunk (included angle - less than 135 deg W or W/O chamfer)
Shank Diameter
0.258 inches minimum and 0.260 inches maximum
Shank Style
Threaded self-plugging shank W/sleeve
Head Major Diameter
0.507 inches maximum
Expansion Device
Threaded stem
Grip Length
0.470 inches minimum and 0.531 inches maximum
Hardness Rating
39.0 rockwell C minimum bolt and 43.0 rockwell C maximum bolt
Hardness Rating
39.0 rockwell C minimum nut and 43.0 rockwell C maximum nut
Shear Strength
9000 double pounds per square inch
Countersink Angle
100.0 degrees nominal
Material
Steel comp 4140 bolt or steel comp 8740 bolt or steel comp 4130 bolt
Material
Steel comp 4140 nut or steel comp 8740 nut or steel comp 4130 nut
Material
Steel comp 304 sleeve or steel comp 303F sleeve or steel comp 303 sleeve
Material Document and Classification
MIL-S-5626 mil spec 1ST material response bolt or MIL-S-6049 mil spec 2ND material response bolt or MIL-S-6758 mil spec 3RD material response bolt
Material Document and Classification
MIL-S-5626 mil spec 1ST material response nut or MIL-S-6049 mil spec 2ND material response nut or MIL-S-6758 mil spec 3RD material response nut
Material Document and Classification
QQ-S-763 fed spec 1ST material response sleeve or ams 5639 assn std 1ST material response sleeve or ams 5641 assn std 2ND material response sleeve or astm A582 assn std 3RD material response sleeve
Surface Treatment
Cadmium bolt and chromate bolt
Surface Treatment
Cadmium nut and chromate nut
Surface Treatment
Cadmium sleeve and passivate sleeve
Surface Treatment Document and Classification
QQ-P-416, TY1, CL3 fed spec 1ST treatment response sleeve and QQ-P-35 fed spec 2ND treatment response sleeve
Surface Treatment Document and Classification
QQ-P-416, TY2, CL2 fed spec single treatment response bolt
Surface Treatment Document and Classification
QQ-P-416, TY2, CL2 fed spec single treatment response nut
Specification/Standard Data
80205-NAS1670 professional/industrial association standard
Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

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