← BACK TO RESULTS
REFERENCE IMAGE
EMANON PART NO.
NAS1801-4-16
NAS1801-4-16 is a screw in 0.250 INCHES diameter and 63/64 length.
Screw
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH0.984 in (63/64)
THREAD LENGTH0.849–0.999 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADHexagon
HEAD HEIGHT0.125–0.140 in
WIDTH ACROSS FLATS0.367–0.376 in
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–40 HRC
STANDARDS & TRACEABILITY
NSN5305-01-244-4475
GOVERNING STANDARD80205-NAS1801
FLIS · NSN 5305-01-244-4475 · retrieved 2026-08-09
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Length: 63/64", Thread: 1/4-28, Thread Length: 63/64", NAS1801 series screw
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.