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EMANON PART NO.
MS16998-43
MS16998-43 is a screw in steel, cadmium and chromate finish, 0.250 INCHES diameter and 3/4 length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.750 in (3/4)
THREAD LENGTHMinimum 0.648 in; maximum 0.750 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADFlat chamfer
HEAD HEIGHTMinimum 0.244 in; maximum 0.250 in
HEAD DIAMETER0.365–0.375 in
WIDTH ACROSS FLATS0.187–0.190 in
MATERIAL & FINISH
MATERIALSteel
FINISHCadmium and chromate
FINISH SPECQQ-P-416 TY 2 CL 3
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS38–45 HRC
STANDARDS & TRACEABILITY
NSN5305-00-983-6660
GOVERNING STANDARDMS16998-43
ALTERNATE PART NUMBERSNAS1351-4-12P
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Length: 3/4, thread: 1/4-28, socket head, cap screw, self locking, cadmium plated alloy steel , MS16998 series screw
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.