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Technical Data Sheet
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ML4314311-02 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ML4314311-02: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, thread_length: 1.900 INCHES NOMINAL IN, fastener_length: 4.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: F119 ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-486-3199, 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
ML4314311-02
NSN: 5306-01-486-3199
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
thread_length1.900 INCHES NOMINAL IN
fastener_length4.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identificationF119 ENGINE
nominal_thread_diameter0.500 INCHES IN
minimum_tensile_strength180000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
material_document_and_classificationMS 5726 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-01-486-3199
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ML4314311-02 · 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: 4.875 INCHES NOMINAL IN
•
THREAD LENGTH: 1.900 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MS 5726 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON EXTENDED WASHER
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 180000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
FASTENER LENGTH4.875 INCHES NOMINAL IN
THREAD LENGTH1.900 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMS 5726 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH LBS
END ITEM IDENTIFICATIONF119 ENGINE
THREAD QUANTITY PER INCH20
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
4324661Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ML4314311-02?
ML4314311-02 is a BOLT,MACHINE.
What parts can replace ML4314311-02?
There is 1 known substitute for ML4314311-02: 4324661. Substitute compatibility should be verified for your specific system.
What is the NSN for ML4314311-02?
ML4314311-02 is cataloged in the U.S. Government catalog under NSN 5306-01-486-3199. 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.