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69823A18-26 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

69823A18-26: 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: 0.448 INCHES NOMINAL STUD THREAD IN, overall_length: 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN, locking_feature: RING, LOCK KEYED, shoulder_length: 0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-841-4101, 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
69823A18-26
NSN: 5307-00-841-4101
FSC: 5307 — Studs
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
thread_class3A NUT THREAD A
thread_length0.448 INCHES NOMINAL STUD THREAD IN
overall_length2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN
locking_featureRING, LOCK KEYED
shoulder_length0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
shoulder_diameter0.334 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.438 INCHES STUD THREAD IN
cotter_pin_hole_diameter0.076 INCHES NOMINAL FIRST HOLE IN
NSN5307-00-841-4101
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 69823A18-26 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY1 C12 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
COTTER PIN HOLE DIAMETER: 0.076 INCHES NOMINAL FIRST HOLE IN
•
THREAD LENGTH: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY1 C12 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
COTTER PIN HOLE DIAMETER0.076 INCHES NOMINAL FIRST HOLE IN
THREAD LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH0.448 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORLOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES NUT 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 1
882B-5MBH-1.625Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 69823A18-26?
69823A18-26 is a STUD,LOCKED IN.
What parts can replace 69823A18-26?
There is 1 known substitute for 69823A18-26: 882B-5MBH-1.625. Substitute compatibility should be verified for your specific system.
What is the NSN for 69823A18-26?
69823A18-26 is cataloged in the U.S. Government catalog under NSN 5307-00-841-4101. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.