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REFERENCE IMAGE
EMANON PART NO.
NAS1204-20
NAS1204-20 is a bolt in steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740, cadmium and chromate finish, 1/4-28 diameter and 1-37/64 length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
LENGTH1.578 in (1-37/64)
GRIP1.240–1.260 in
THREAD
THREAD1/4-28
HEAD & DRIVE
HEADFlat countersunk
MATERIAL & FINISH
MATERIALSteel 4140/e4340/6150/8735 +1
FINISHCadmium and chromate
STANDARDS & TRACEABILITY
NSN5305-00-890-0099
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
Fastener Length: 1-37/64", 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.