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EF266C08S025 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

EF266C08S025: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740, overall_length: 77.0 MILLIMETERS NOMINAL MM, locking_feature: RING, LOCK SERRATED, style_designator: LOCKED IN, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-414-2142, 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
EF266C08S025
NSN: 5307-01-414-2142
FSC: 5307 — Studs
CAGE: U7941 — LEONARDO UK LIMITED (AW/EH101) (GBR)
SPECIFICATIONS
materialSTEEL COMP 8740
overall_length77.0 MILLIMETERS NOMINAL MM
locking_featureRING, LOCK SERRATED
style_designatorLOCKED IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size4.8 MILLIMETERS NUT THREAD A MM
thread_tolerance_class4H EXTERNAL NUT THREAD A
thread_series_designatorISO M STUD THREAD
thread_pitch_in_millimeters0.30 NUT THREAD A
distance_from_serrated_portion_to_nut_end15.0 MILLIMETERS NOMINAL MM
distance_from_serrated_portion_to_stud_end27.5 MILLIMETERS NOMINAL MM
NSN5307-01-414-2142
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: EF266C08S025 · 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
•
THREAD TOLERANCE CLASS: 4H EXTERNAL NUT THREAD A
•
DISTANCE FROM SERRATED PORTION TO NUT END: 15.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.30 NUT THREAD A
•
STYLE DESIGNATOR: LOCKED IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
THREAD TOLERANCE CLASS4H EXTERNAL NUT THREAD A
DISTANCE FROM SERRATED PORTION TO NUT END15.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.30 NUT THREAD A
THREAD PITCH IN MILLIMETERS0.30 STUD THREAD
STYLE DESIGNATORLOCKED IN
OVERALL LENGTH77.0 MILLIMETERS NOMINAL MM
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD A
NOMINAL THREAD SIZE4.8 MILLIMETERS NUT THREAD A MM
NOMINAL THREAD SIZE6.4 MILLIMETERS STUD THREAD MM
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EF266C08S025?
EF266C08S025 is a STUD,LOCKED IN.
What is the NSN for EF266C08S025?
EF266C08S025 is cataloged in the U.S. Government catalog under NSN 5307-01-414-2142. This indicates validated use in U.S. government and defense supply chains.
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