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EMANON PART NO.
AN565A428H10
AN565A428H10 is a screw in passivate overall finish, 0.250 INCHES diameter and 5/8 length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.625 in (5/8)
THREAD LENGTHMinimum 0.615 in; maximum 0.635 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADHeadless (setscrew)
WIDTH ACROSS FLATS0.125–0.127 in
MATERIAL & FINISH
MATERIAL SPECMIL-S-7720 — MIL SPEC · MIL-S-18732 — MIL SPEC
FINISHPassivate overall
FINISH SPECQQ-P-35
MECHANICAL
HARDNESS45–53 HRC
STANDARDS & TRACEABILITY
NSN5305-00-378-2656
GOVERNING STANDARDAN565A428H10
FLIS · NSN 5305-00-378-2656 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Fastener Length: 5/8", Thread: 1/4-28, Head Width: 1/8", Thread Length: 5/8"
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.