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REFERENCE IMAGE
EMANON PART NO.
MS51021-31
MS51021-31 is a screw in steel comp 302 or steel comp 303 or steel comp 304 or steel comp 316, passivate finish, 0.164 INCHES diameter and 3/16 length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.164 in
LENGTH0.188 in (3/16)
THREAD LENGTH0.188 in MAXIMUM
THREAD
THREAD8-32
HEAD & DRIVE
HEADHeadless (setscrew)
WIDTH ACROSS FLATS0.078 in nom
MATERIAL & FINISH
MATERIALSteel 302/303/304/316
MATERIAL SPEC66 FED STD ALL MATERIAL RESPONSES
FINISHPassivate
FINISH SPECQQ-P-35
STANDARDS & TRACEABILITY
NSN5305-00-551-0156
FLIS · NSN 5305-00-551-0156 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Fastener Length: 3/16", Thread: 8-32, Head Width: 1/16", Thread Length: 3/16
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.