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RZA124-18 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

RZA124-18: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, thread_length: 23.5 MILLIMETERS NOMINAL STUD THREAD MM, overall_length: 85.5 MILLIMETERS NOMINAL MM, locking_feature: RING, LOCK SERRATED, style_designator: LOCKED IN, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-137-7831, 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
RZA124-18
NSN: 5307-01-137-7831
FSC: 5307 — Studs
CAGE: 83324 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
thread_length23.5 MILLIMETERS NOMINAL STUD THREAD MM
overall_length85.5 MILLIMETERS NOMINAL MM
locking_featureRING, LOCK SERRATED
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size16.0 MILLIMETERS NUT THREAD MM
thread_tolerance_class4A EXTERNAL STUD THREAD A
thread_series_designatorM STUD THREAD
thread_pitch_in_millimeters1.50 STUD THREAD
material_document_and_classificationAMS6370 ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-01-137-7831
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RZA124-18 · 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: 4A EXTERNAL STUD THREAD A
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM SERRATED PORTION TO NUT END: 56.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.50 STUD THREAD
•
THREAD LENGTH: 23.5 MILLIMETERS NOMINAL STUD THREAD MM
TECHNICAL CHARACTERISTICS
THREAD TOLERANCE CLASS4A EXTERNAL STUD THREAD A
THREAD TOLERANCE CLASS4H EXTERNAL NUT THREAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM SERRATED PORTION TO NUT END56.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.50 STUD THREAD
THREAD PITCH IN MILLIMETERS1.50 NUT THREAD
THREAD LENGTH23.5 MILLIMETERS NOMINAL STUD THREAD MM
THREAD LENGTH41.0 MILLIMETERS NOMINAL NUT THREAD MM
STYLE DESIGNATORLOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6370 ASSN STD SINGLE MATERIAL RESPONSE
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 RZA124-18?
RZA124-18 is a STUD,LOCKED IN.
What is the NSN for RZA124-18?
RZA124-18 is cataloged in the U.S. Government catalog under NSN 5307-01-137-7831. This indicates validated use in U.S. government and defense supply chains.
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