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Technical Data Sheet
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327B518P3 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

327B518P3: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 601 OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.055 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN, head_height: 0.223 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-674-9247, 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
327B518P3
NSN: 5306-00-674-9247
FSC: 5306 — Bolts
CAGE: 99207 — GENERAL ELECTRIC COMPANY DBA GE AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 601 OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON W/HOLE
grip_length0.055 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
head_height0.223 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.047 INCHES NOMINAL IN
hole_quantity4
thread_length0.363 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length0.451 INCHES MINIMUM AND 0.471 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
NSN5306-00-674-9247
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 327B518P3 · 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 FINISH: 32.0 MICROINCHES THREADS
•
EXTENDED WASHER THICKNESS: 0.033 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.223 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.451 INCHES MINIMUM AND 0.471 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2403 ASSN STD SINGLE TREATMENT RESPONSE OR +16-TE3E CLASS A,FSCM 99207 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.328 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.363 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
EXTENDED WASHER THICKNESS0.033 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
HEAD HEIGHT0.223 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
FASTENER LENGTH0.451 INCHES MINIMUM AND 0.471 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2403 ASSN STD SINGLE TREATMENT RESPONSE OR +16-TE3E CLASS A,FSCM 99207 MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.328 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
THREAD LENGTH0.363 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 327B518P3?
327B518P3 is a BOLT,MACHINE.
What is the NSN for 327B518P3?
327B518P3 is cataloged in the U.S. Government catalog under NSN 5306-00-674-9247. 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.