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EMANON PART NO.
NAS1149C1890R
NAS1149C1890R is a washer in steel corrosion resisting overall or steel comp 321 overall or steel comp 347 overall or steel comp 348 overall and passivate overall finish.
Washer
SPECIFICATIONS
KEY DIMENSIONS
INSIDE DIAMETER1.130–1.150 in
OUTSIDE DIAMETER1.875
THICKNESS0.080–0.100 in
SHAPE
PERIPHERAL SHAPERound
CENTER HOLE SHAPERound
CROSS-SECTIONAL SHAPERectangular
MATERIAL & FINISH
MATERIALSteel corrosion resisting overall or steel comp 321 overall or steel comp 347 overall or steel comp 348 overall
MATERIAL SPECMIL-S-5059 — MIL SPEC · MIL-S-6721 — MIL SPEC · MIL-S-6721 — MIL SPEC · MIL-S-6721 — MIL SPEC
FINISHPassivate overall
STANDARDS & TRACEABILITY
NSN5310-00-331-3332
FLIS · NSN 5310-00-331-3332 · retrieved 2026-08-08
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
size: 1-1/8", thickness 0.09", corrosion resistant steel, passivated finish
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.