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H411S16D-33 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

H411S16D-33: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN, head_height: 0.539 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-278-1994, 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
H411S16D-33
NSN: 5306-01-278-1994
FSC: 5306 — Bolts
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL COMP H11 OVERALL
head_styleSPLINE DRIVE SHEAR HEAD
grip_length2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN
head_height0.539 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
thread_length0.825 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length2.897 INCHES MINIMUM AND 2.927 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
head_minor_diameter1.715 INCHES NOMINAL IN
NSN5306-01-278-1994
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H411S16D-33 · 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
•
SURFACE FINISH: 32.0 MICROINCHES THREADS
•
HEAD HEIGHT: 0.539 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.897 INCHES MINIMUM AND 2.927 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: S672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.825 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES NOMINAL FIRST HOLE IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT0.539 INCHES NOMINAL IN
FASTENER LENGTH2.897 INCHES MINIMUM AND 2.927 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.825 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER1.000 INCHES IN
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 6
VS3133S16D33Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C7521S16D33Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
120978S16-D33Reference document
Same NSN cross-reference
Reference document — Secondary reference
PBF7521S16D33Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC596S16D33Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
VCG0009S16D-33Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H411S16D-33?
H411S16D-33 is a BOLT,CLOSE TOLERANCE.
What parts can replace H411S16D-33?
There are 6 known substitutes for H411S16D-33: VS3133S16D33, C7521S16D33, 120978S16-D33 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H411S16D-33?
H411S16D-33 is cataloged in the U.S. Government catalog under NSN 5306-01-278-1994. 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.