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REFERENCE IMAGE
EMANON PART NO.
NAS1149C0516R
NAS1149C0516R is a washer in steel comp 303 and passivate finish.
Washer
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
INSIDE DIAMETER0.323–0.328 in
OUTSIDE DIAMETER0.557–0.562 in
THICKNESS0.016
SHAPE
PERIPHERAL SHAPERound
CENTER HOLE SHAPERound
CROSS-SECTIONAL SHAPERectangular
MATERIAL & FINISH
MATERIALSteel 303
MATERIAL SPECMIL-S-5059
FINISHPassivate
FINISH SPECQQ-P-35
STANDARDS & TRACEABILITY
NSN5310-01-456-8461
GOVERNING STANDARD80205-NAS1149
FLIS · NSN 5310-01-456-8461 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Size: 5/16", thickness: 1/64", NAS1149 series washer
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.