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3999022 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3999022: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL, thread_class: 1A STUD THREAD A, thread_length: 50.0 MILLIMETERS MINIMUM AND 57.0 MILLIMETERS MAXIMUM NUT THREAD MM, overall_length: 432.0 MILLIMETERS MINIMUM AND 438.0 MILLIMETERS MAXIMUM MM, locking_feature: RING, LOCK SERRATED, style_designator: LOCKED IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-213-4330, 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
3999022
NSN: 5307-01-213-4330
FSC: 5307 — Studs
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL
thread_class1A STUD THREAD A
thread_length50.0 MILLIMETERS MINIMUM AND 57.0 MILLIMETERS MAXIMUM NUT THREAD MM
overall_length432.0 MILLIMETERS MINIMUM AND 438.0 MILLIMETERS MAXIMUM MM
locking_featureRING, LOCK SERRATED
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.875 INCHES NUT THREAD IN
end_item_identificationHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); 2320-01-097-0260 HIAB CRANE (HEMTT)
thread_quantity_per_inch9 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
distance_from_serrated_portion_to_nut_end105.0 MILLIMETERS NOMINAL MM
NSN5307-01-213-4330
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3999022 · 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
•
DISTANCE FROM SERRATED PORTION TO NUT END: 105.0 MILLIMETERS NOMINAL MM
•
THREAD LENGTH: 140.0 MILLIMETERS MINIMUM AND 150.0 MILLIMETERS MAXIMUM STUD THREAD MM
•
STYLE DESIGNATOR: LOCKED IN
•
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD: 190.0 MILLIMETERS NOMINAL MM
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
DISTANCE FROM SERRATED PORTION TO NUT END105.0 MILLIMETERS NOMINAL MM
THREAD LENGTH140.0 MILLIMETERS MINIMUM AND 150.0 MILLIMETERS MAXIMUM STUD THREAD MM
THREAD LENGTH50.0 MILLIMETERS MINIMUM AND 57.0 MILLIMETERS MAXIMUM NUT THREAD MM
STYLE DESIGNATORLOCKED IN
OVERALL LENGTH432.0 MILLIMETERS MINIMUM AND 438.0 MILLIMETERS MAXIMUM MM
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD190.0 MILLIMETERS NOMINAL MM
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.875 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.875 INCHES STUD THREAD IN
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
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 3999022?
3999022 is a STUD,LOCKED IN.
What is the NSN for 3999022?
3999022 is cataloged in the U.S. Government catalog under NSN 5307-01-213-4330. This indicates validated use in U.S. government and defense supply chains.
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