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EMANON PART NO.
MS35307-320
MS35307-320 is a screw in steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303f or steel comp 385 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348, passivate finish, 0.250 INCHES diameter and 3-1/2 length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH3.500 in (3-1/2)
THREAD LENGTHMinimum 0.938 in
THREAD
THREAD1/4-20
HEAD & DRIVE
HEADHexagon
HEAD HEIGHTMinimum 0.150 in; maximum 0.163 in
WIDTH ACROSS FLATS0.428–0.438 in
MATERIAL & FINISH
MATERIALSteel comp 301 or steel comp 302 or steel comp 303 or steel comp 303f or steel comp 385 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348
MATERIAL SPEC66 — FED STD
FINISHPassivate
FINISH SPECQQ-P-35
MECHANICAL
TENSILE STRENGTH80,000 psi
HARDNESS≥80 HRB
STANDARDS & TRACEABILITY
NSN5305-00-153-8804
FLIS · NSN 5305-00-153-8804 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Fastener Length: 3-1/2", Thread: 1/4-20, Thread Length: 15/16
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.