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6W1598-12 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6W1598-12: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130, thread_class: 3A NUT THREAD A, thread_length: 0.625 INCHES NOMINAL NUT THREAD IN, overall_length: 1.750 INCHES NOMINAL IN, locking_feature: SELF-CLINCHING HEAD, style_designator: LOCKED IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-025-8302, 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
6W1598-12
NSN: 5307-00-025-8302
FSC: 5307 — Studs
CAGE: 11530 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
thread_class3A NUT THREAD A
thread_length0.625 INCHES NOMINAL NUT THREAD IN
overall_length1.750 INCHES NOMINAL IN
locking_featureSELF-CLINCHING HEAD
style_designatorLOCKED IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.438 INCHES STUD THREAD IN
thread_pitch_diameters+0.3926 TO 0.3946 INCHES STUD THREAD IN
thread_quantity_per_inch24 NUT THREAD
thread_series_designatorUNS STUD THREAD
NSN5307-00-025-8302
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6W1598-12 · 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: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.625 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
THREAD PITCH DIAMETERS: +0.3926 TO 0.3946 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE
•
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD: 0.230 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM SERRATED PORTION TO NUT END1.000 INCHES NOMINAL IN
THREAD LENGTH0.625 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.520 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORLOCKED IN
THREAD PITCH DIAMETERS+0.3926 TO 0.3946 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.750 INCHES NOMINAL IN
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD0.230 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
SUBSTITUTES & CROSS-REFERENCES 3
BACS21S12-16ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
132217Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
130507Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6W1598-12?
6W1598-12 is a STUD,LOCKED IN.
What parts can replace 6W1598-12?
There are 3 known substitutes for 6W1598-12: BACS21S12-16A, 132217, 130507. Substitute compatibility should be verified for your specific system.
What is the NSN for 6W1598-12?
6W1598-12 is cataloged in the U.S. Government catalog under NSN 5307-00-025-8302. This indicates validated use in U.S. government and defense supply chains.
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