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EMANON PART NO.
NAS1154-6R
NAS1154-6R is a screw in steel comp 4140 or steel comp 4340 or steel comp 8740, cadmium and chromate finish, 0.250 INCHES diameter and 45/64 length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.703 in (45/64)
THREAD LENGTHMinimum 0.291 in; maximum 0.341 in
GRIPBetween 0.365 inches and 0.385 inches
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 or steel comp 4340 or steel comp 8740
MATERIAL SPECMIL-S-5626 — MIL SPEC · MIL-S-8844 — MIL SPEC · MIL-S-6049 — MIL SPEC
FINISHCadmium and chromate
FINISH SPECQQ-P-416 TY 2 CL 2
MECHANICAL
TENSILE STRENGTH160,000 psi
STANDARDS & TRACEABILITY
NSN5305-01-318-9113
GOVERNING STANDARD80205-NAS1154
DOCUMENTS
✓Certificate of Conformance & test reports available for most products (standard cert fees apply)
No drawing on file — request it
Fastener Length: 45/64", Thread: 1/4-28, Thread Length: 21/64
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.