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Technical Data Sheet
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ST2366-16 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST2366-16: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 0.917 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, head_height: 0.383 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.660 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-486-9367, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
ST2366-16
NSN: 5306-01-486-9367
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length0.917 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
head_height0.383 INCHES NOMINAL IN
thread_class3A A
thread_length0.660 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.370 INCHES NOMINAL IN
end_item_identificationF119
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
NSN5306-01-486-9367
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST2366-16 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.383 INCHES NOMINAL IN
•
THREAD LENGTH: 0.660 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN
•
HEAD STYLE: DOUBLE HEXAGON EXTENDED WASHER
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.917 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.370 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.383 INCHES NOMINAL IN
THREAD LENGTH0.660 INCHES MINIMUM AND 0.773 INCHES MAXIMUM IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.917 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.370 INCHES NOMINAL IN
THREAD CLASS3A A
END ITEM IDENTIFICATIONF119
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST2366-16?
ST2366-16 is a BOLT,MACHINE.
What is the NSN for ST2366-16?
ST2366-16 is cataloged in the U.S. Government catalog under NSN 5306-01-486-9367. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.