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REFERENCE IMAGE
EMANON PART NO.
NAS1204-13
NAS1204-13 is a bolt 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 1.113 inches minimum and 1.143 inches maximum length.
Bolt
REFERENCE IMAGEReference image — representative of the type, not the exact part; verify dimensions per specification.
SPECIFICATIONS
KEY DIMENSIONS
DIAMETER0.250 in
LENGTH1.113–1.143 in
THREAD LENGTH0.316 in MINIMUM
GRIP0.812 in nom
GRIP DIAMETER0.2485–0.2495 in
THREAD
THREAD0.250-28 UNF-3A right-hand
HEAD & DRIVE
HEADFlat countersunk
MATERIAL & FINISH
MATERIALSteel 4140/e4340/6150/8735 +1
MATERIAL SPECMIL-S-5626 or MIL-S-5000 or MIL-S-8503 or MIL-S-6098 or MIL-S-6049
FINISHCadmium and chromate
FINISH SPECQQ-P-416 TY 2 CL 3
MECHANICAL
TENSILE STRENGTH160,000 psi
HARDNESS36–40 HRC
STANDARDS & TRACEABILITY
NSN5305-00-815-4774
GOVERNING STANDARD80205-NAS1204
FLIS · NSN 5305-00-815-4774 · retrieved 2026-08-07
DOCUMENTS
✓Certificate of Conformance — included with every order
No drawing on file — request it
NAS1204-13 Close Tolerance 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.