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EMANON PART NO.
AN565AC428H12
AN565AC428H12 is a screw in steel comp 303se, passivate finish, 0.250 INCHES diameter and 0.739 INCHES MINIMUM AND 0.761 INCHES MAXIMUM length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTHMinimum 0.739 in; maximum 0.761 in
THREAD
THREAD0.250-20 UNC-3A right-hand
HEAD & DRIVE
HEADC101 headless
WIDTH ACROSS FLATS0.125–0.127 in
MATERIAL & FINISH
MATERIALSTEEL COMP 303SE
MATERIAL SPECMIL-S-7720 — MIL SPEC
FINISHPASSIVATE
FINISH SPECQQ-P-35
STANDARDS & TRACEABILITY
NSN5305-01-189-5397
GOVERNING STANDARDAN565AC428H12
FLIS · NSN 5305-01-189-5397 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
AN565AC428H12
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.