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6815637 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6815637: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: DISHED HEXAGON, head_height: 0.260 INCHES NOMINAL IN, thread_class: 3A A, hole_diameter: 0.070 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-066-9696, 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
6815637
NSN: 5306-00-066-9696
FSC: 5306 — Bolts
CAGE: 63005 — ROLLS-ROYCE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_styleDISHED HEXAGON
head_height0.260 INCHES NOMINAL IN
thread_class3A A
hole_diameter0.070 INCHES NOMINAL IN
hole_quantity6
thread_length0.500 INCHES NOMINAL IN
fastener_length0.500 INCHES NOMINAL IN
hardness_rating36.0 ROCKWELL C NOMINAL OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
NSN5306-00-066-9696
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6815637 · 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: 0.260 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
HARDNESS RATING: 36.0 ROCKWELL C NOMINAL OVERALL
•
HOLE CONFIGURATION STYLE: HEXAGON FLATS
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: DISHED HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.260 INCHES NOMINAL IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES NOMINAL IN
HARDNESS RATING36.0 ROCKWELL C NOMINAL OVERALL
HOLE CONFIGURATION STYLEHEXAGON FLATS
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEDISHED HEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6815637?
6815637 is a BOLT,MACHINE.
What is the NSN for 6815637?
6815637 is cataloged in the U.S. Government catalog under NSN 5306-00-066-9696. 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.