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51366 — STUD,BALL

✓ Government record, cited
Legrand · BOLT SCREW
PRODUCT OVERVIEW

51366: STUD,BALL.

The STUD,BALL is a Legrand industrial component. Key specifications include material: STEEL COMP 8640, body_length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, body_diameter: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, head_diameter: 1.098 INCHES MINIMUM AND 1.103 INCHES MAXIMUM IN, neck_diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-776-9932, 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
51366
NSN: 5307-00-776-9932
FSC: 5307 — Studs
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8640
body_length0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
body_diameter1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
head_diameter1.098 INCHES MINIMUM AND 1.103 INCHES MAXIMUM IN
neck_diameter0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
overall_length3.615 INCHES MINIMUM AND 3.635 INCHES MAXIMUM IN
hardness_rating22.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM
style_designatorPLAIN SHANK BALL
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
plain_shank_length1.062 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
NSN5307-00-776-9932
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 51366 · Legrand ⚠ 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
•
BODY DIAMETER: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
•
COTTER PIN HOLE DIAMETER: 0.140 INCHES NOMINAL FIRST HOLE IN
•
HARDNESS RATING: 22.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: PLAIN SHANK BALL
•
THREAD PITCH DIAMETERS: +0.5848 TO 0.5889 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD 1ST MATERIAL RESPONSE OR AISI/SA ASSN STD 2ND MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
BODY DIAMETER1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
COTTER PIN HOLE DIAMETER0.140 INCHES NOMINAL FIRST HOLE IN
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 57.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORPLAIN SHANK BALL
THREAD PITCH DIAMETERS+0.5848 TO 0.5889 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD 1ST MATERIAL RESPONSE OR AISI/SA ASSN STD 2ND MATERIAL RESPONSE
OVERALL LENGTH3.615 INCHES MINIMUM AND 3.635 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.625 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
BODY LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51366?
51366 is a STUD,BALL manufactured by Legrand.
What is the NSN for 51366?
51366 is cataloged in the U.S. Government catalog under NSN 5307-00-776-9932. 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.