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REFERENCE IMAGE
EMANON PART NO.
MS16997-63
MS16997-63 is a screw in steel, cadmium and chromate finish, 0.250 INCHES diameter and 1-1/4 length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH1.250 in (1-1/4)
THREAD LENGTH1.101–1.150 in
THREAD
THREAD1/4-20
HEAD & DRIVE
HEADFlat chamfer
HEAD HEIGHT0.244–0.250 in
WIDTH ACROSS FLATS0.187–0.190 in
MATERIAL & FINISH
MATERIALSteel
FINISHCadmium and chromate
FINISH SPECQQ-P-416,TY 2,CL 3 ALL TREATMENT RESPONSES
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–45 HRC
STANDARDS & TRACEABILITY
NSN5305-00-978-9381
GOVERNING STANDARDMS16997-63
FLIS · NSN 5305-00-978-9381 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Fastener Length: 1-1/4", Thread: 1/4-20, Head Width: 3/16", Thread Length: 1-9/64",
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.