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EMANON PART NO.
NAS1154-17
NAS1154-17 is a screw in steel comp 4140 overall or steel comp e4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall, cadmium overall and chromate overall finish, 0.250 INCHES diameter and 1-25/64 length.
Screw · listed as NAS1154-17 Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH1.391 in (1-25/64)
THREAD LENGTHMinimum 0.291 in; maximum 0.341 in
GRIPMinimum 1.052 in; maximum 1.072 in
GRIP DIAMETER0.2485–0.2495 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADFlat countersunk
HEAD DIAMETER0.449–0.507 in
MATERIAL & FINISH
MATERIALSteel comp 4140 overall or steel comp e4340 overall or steel comp 6150 overall or steel comp 8735 overall or steel comp 8740 overall
MATERIAL SPECMIL-S-5626 — MIL SPEC · MIL-S-5000 — MIL SPEC · MIL-S-8503 — MIL SPEC · MIL-S-6098 — MIL SPEC · MIL-S-6049 — MIL SPEC
FINISHCadmium overall and chromate overall
FINISH SPECQQ-P-416,TYPE 2 CLASS 3
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–40 HRC
STANDARDS & TRACEABILITY
NSN5305-00-969-2578
GOVERNING STANDARD80205-NAS1154
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
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.