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EMANON PART NO.
NAS1154-8
NAS1154-8 is a screw in steel comp, cadmium and chromate finish, 0.250 INCHES diameter and 53/64 length.
Screw
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.828 in (53/64)
THREAD LENGTHMinimum 0.316 in
GRIP0.500 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
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 and chromate
FINISH SPECQQ-P-416,TYPE 2 CLASS 3 ALL TREATMENT RESPONSES
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–40 HRC
STANDARDS & TRACEABILITY
NSN5305-00-063-3028
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: 53/64", Thread: 1/4-28, Thread Length: 5/16
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.