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669461-71 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

669461-71: 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: 0.438 INCHES NOMINAL NUT THREAD IN, overall_length: 0.876 INCHES NOMINAL IN, locking_feature: RING, LOCK SERRATED, style_designator: LOCKED IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-025-8268, 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
669461-71
NSN: 5307-00-025-8268
FSC: 5307 — Studs
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
thread_class3A NUT THREAD A
thread_length0.438 INCHES NOMINAL NUT THREAD IN
overall_length0.876 INCHES NOMINAL IN
locking_featureRING, LOCK SERRATED
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.190 INCHES NUT THREAD IN
thread_pitch_diameters+0.2187 TO 0.2204 INCHES STUD THREAD IN
thread_quantity_per_inch32 NUT THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-00-025-8268
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 669461-71 · 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: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.438 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
THREAD PITCH DIAMETERS: +0.2187 TO 0.2204 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758,COND F MIL SPEC SINGLE MATERIAL RESPONSE
•
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD: 0.158 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM SERRATED PORTION TO NUT END0.438 INCHES NOMINAL IN
THREAD LENGTH0.438 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.280 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORLOCKED IN
THREAD PITCH DIAMETERS+0.2187 TO 0.2204 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND F MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.876 INCHES NOMINAL IN
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD0.158 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
SUBSTITUTES & CROSS-REFERENCES 4
121646Reference document
Same NSN cross-reference
Reference document — Secondary reference
BA10253-71Reference document
Same NSN cross-reference
Reference document — Secondary reference
122092Reference document
Same NSN cross-reference
Reference document — Secondary reference
BACS21S9-7AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 669461-71?
669461-71 is a STUD,LOCKED IN.
What parts can replace 669461-71?
There are 4 known substitutes for 669461-71: 121646, BA10253-71, 122092 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 669461-71?
669461-71 is cataloged in the U.S. Government catalog under NSN 5307-00-025-8268. This indicates validated use in U.S. government and defense supply chains.
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