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REFERENCE IMAGE
EMANON PART NO.
NAS1671-4L6
NAS1671-4L6 is a rivet in iron alloy 660 bolt, passivate bolt finish, 0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM diameter and 33/64 length.
Rivet
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.258–0.260 in
LENGTH0.516 in (33/64)
GRIP0.344–0.406 in
HEAD & SHANK
HEADHexagon
HEAD HEIGHT0.125–0.135 in
SHANK STYLED34 threaded self-plugging shank W/SLEEVE
SHANK DIAMETER0.258–0.260 in
MATERIAL & FINISH
MATERIALIron 660 bolt
MATERIAL SPECAMS 5731 or AMS 5732 or AMS 5737 BOLT AMS 5731 or AMS 5732 or AMS 5737 NUT AMS 5731 or AMS 5732 or AMS 5737 SLEEVE
FINISHPassivate bolt
FINISH SPECQQ-P-35 BOLT QQ-P-35 NUT QQ-P-35 SLEEVE
MECHANICAL
HARDNESS30–45 HRC
STANDARDS & TRACEABILITY
NSN5320-00-841-6827
FLIS · NSN 5320-00-841-6827 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Fastener Length: 33/64", Head Width: 3/8"
Emanon is a stocking distributor — quality-system certifications are held by the certified manufacturers we source from, not by Emanon. Every shipment carries manufacturer certifications and full lot traceability.