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52B6626 — STUD,LOCK PIN FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

52B6626: STUD,LOCK PIN FASTENER.

The STUD,LOCK PIN FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL STUD, fastener_style: LOCK PIN, pinhole_diameter: 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, stud_body_diameter: 0.744 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, fastener_stud_shank_length: 0.447 INCHES NOMINAL IN, fastener_stud_shank_diameter: 0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-654-6702, 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
52B6626
NSN: 5325-00-654-6702
FSC: 5325 — Fastening Devices
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL STUD
fastener_styleLOCK PIN
pinhole_diameter0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
stud_body_diameter0.744 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
fastener_stud_shank_length0.447 INCHES NOMINAL IN
fastener_stud_shank_diameter0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
length_from_body_hole_center_to_body_end0.438 INCHES NOMINAL IN
length_from_body_shoulder_to_hole_center0.615 INCHES NOMINAL IN
NSN5325-00-654-6702
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 52B6626 · 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
•
FASTENER STUD SHANK LENGTH: 0.447 INCHES NOMINAL IN
•
LENGTH FROM BODY SHOULDER TO HOLE CENTER: 0.615 INCHES NOMINAL IN
•
FASTENER STUD SHANK DIAMETER: 0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
•
FASTENER STYLE: LOCK PIN
•
STUD BODY DIAMETER: 0.744 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
PINHOLE DIAMETER: 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
MATERIAL: STEEL STUD
•
LENGTH FROM BODY HOLE CENTER TO BODY END: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FASTENER STUD SHANK LENGTH0.447 INCHES NOMINAL IN
LENGTH FROM BODY SHOULDER TO HOLE CENTER0.615 INCHES NOMINAL IN
FASTENER STUD SHANK DIAMETER0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
FASTENER STYLELOCK PIN
STUD BODY DIAMETER0.744 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
PINHOLE DIAMETER0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
MATERIALSTEEL STUD
LENGTH FROM BODY HOLE CENTER TO BODY END0.438 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
18647-1Reference 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 52B6626?
52B6626 is a STUD,LOCK PIN FASTENER.
What parts can replace 52B6626?
There is 1 known substitute for 52B6626: 18647-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 52B6626?
52B6626 is cataloged in the U.S. Government catalog under NSN 5325-00-654-6702. 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.