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P4ML616-18P — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

P4ML616-18P: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 2A A, fastener_length: 1.120 INCHES NOMINAL IN, locking_feature: PATCH THREADS, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.375 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-419-5645, 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
P4ML616-18P
NSN: 5306-01-419-5645
FSC: 5306 — Bolts
CAGE: 26233 — NYLOK LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class2A A
fastener_length1.120 INCHES NOMINAL IN
locking_featurePATCH THREADS
thread_directionRIGHT-HAND
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-01-419-5645
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: P4ML616-18P · 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
•
FASTENER LENGTH: 1.120 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
LOCKING FEATURE: PATCH THREADS
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 16
•
MATERIAL: NICKEL ALLOY OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.120 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPATCH THREADS
THREAD CLASS2A A
THREAD QUANTITY PER INCH16
MATERIALNICKEL ALLOY OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
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 1
0441B0133-21Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 P4ML616-18P?
P4ML616-18P is a BOLT,MACHINE.
What parts can replace P4ML616-18P?
There is 1 known substitute for P4ML616-18P: 0441B0133-21. Substitute compatibility should be verified for your specific system.
What is the NSN for P4ML616-18P?
P4ML616-18P is cataloged in the U.S. Government catalog under NSN 5306-01-419-5645. 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.