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NK4DDH34A — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NK4DDH34A: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, head_style: HEXAGON, grip_length: 3.922 INCHES MINIMUM AND 3.954 INCHES MAXIMUM IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-003-8042, 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
NK4DDH34A
NSN: 5306-00-003-8042
FSC: 5306 — Bolts
CAGE: 26233 — NYLOK LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
head_styleHEXAGON
grip_length3.922 INCHES MINIMUM AND 3.954 INCHES MAXIMUM IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
thread_length0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
fastener_length4.390 INCHES MINIMUM AND 4.437 INCHES MAXIMUM IN
locking_featurePELLET THREADS
special_features1 DRILLED HOLE 0.046 IN. DIA THROUGH HEAD IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentANODIZE OVERALL
NSN5306-00-003-8042
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NK4DDH34A · 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: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
FASTENER LENGTH: 4.390 INCHES MINIMUM AND 4.437 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 3.922 INCHES MINIMUM AND 3.954 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
FASTENER LENGTH4.390 INCHES MINIMUM AND 4.437 INCHES MAXIMUM IN
THREAD LENGTH0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH3.922 INCHES MINIMUM AND 3.954 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
LOCKING FEATUREPELLET THREADS
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NK4DDH34A?
NK4DDH34A is a BOLT,MACHINE.
What is the NSN for NK4DDH34A?
NK4DDH34A is cataloged in the U.S. Government catalog under NSN 5306-00-003-8042. This indicates validated use in U.S. government and defense supply chains.
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