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EMANON PART NO.

MS21262-28

MS21262-28 is a screw in steel, cadmium and chromate finish, 0.164 INCHES diameter and 0.500 inches length.

All Screws

Screw
MS21262-28 — reference imageREFERENCE IMAGE

Reference image — representative of the type, not the exact part; verify dimensions per specification.

SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.164 in
LENGTH0.500 in
THREAD LENGTH0.438 in MINIMUM
THREAD
THREAD0.164-32 UNC-3A right-hand
HEAD & DRIVE
HEADFlat chamfer
HEAD HEIGHT0.159–0.164 in
WIDTH ACROSS FLATS0.141–0.143 in
MATERIAL & FINISH
MATERIALSteel
FINISHCadmium and chromate
FINISH SPECQQ-P-416,TYPE2,CLASS 3 ALL TREATMENT RESPONSES
MECHANICAL
TENSILE STRENGTH130,000 psi
HARDNESS36–45 HRC
STANDARDS & TRACEABILITY
NSN5305-00-027-5752
FLIS · NSN 5305-00-027-5752 · retrieved 2026-08-09
DOCUMENTS
Certificate of Conformance — included with every order
No drawing on file — request it
Cadmium plated alloy steel, self-locking screw, hexagon wrenching socket
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.

RELATED SIZES IN THIS SERIES

MS21262-28 — Screw | Emanon Aircraft Fasteners