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6520-10-704-4101 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6520-10-704-4101: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, hole_diameter: 0.098 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-938-9533, 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
6520-10-704-4101
NSN: 5306-00-938-9533
FSC: 5306 — Bolts
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.250 INCHES NOMINAL IN
thread_class3A A
hole_diameter0.098 INCHES NOMINAL IN
hole_quantity1
thread_length0.350 INCHES NOMINAL IN
shoulder_shapeROUND ALL SHOULDERS
fastener_length1.710 INCHES NOMINAL IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
NSN5306-00-938-9533
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6520-10-704-4101 · 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
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.710 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM SECOND SHOULDER IN
•
THREAD LENGTH: 0.350 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND ALL SHOULDERS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH1.710 INCHES NOMINAL IN
SHOULDER LENGTH0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER LENGTH0.920 INCHES MINIMUM AND 0.930 INCHES MAXIMUM SECOND SHOULDER IN
SHOULDER DIAMETER0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM SECOND SHOULDER IN
SHOULDER DIAMETER0.4995 INCHES MINIMUM AND 0.5005 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.350 INCHES NOMINAL IN
SHOULDER SHAPEROUND ALL SHOULDERS
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON PERPENDICULAR
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6520-10-704-4101?
6520-10-704-4101 is a BOLT,SHOULDER.
What is the NSN for 6520-10-704-4101?
6520-10-704-4101 is cataloged in the U.S. Government catalog under NSN 5306-00-938-9533. 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.