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205523P15 — BOLT,RIBBED NECK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

205523P15: BOLT,RIBBED NECK.

The BOLT,RIBBED NECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, head_style: DEE CHAMFER, rib_length: 0.360 INCHES NOMINAL IN, head_height: 0.205 INCHES NOMINAL IN, rib_quantity: 46, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-869-1840, 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
205523P15
NSN: 5306-00-869-1840
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
head_styleDEE CHAMFER
rib_length0.360 INCHES NOMINAL IN
head_height0.205 INCHES NOMINAL IN
rib_quantity46
thread_class3A A
head_diameter0.770 INCHES NOMINAL IN
thread_length0.675 INCHES NOMINAL IN
fastener_length2.755 INCHES NOMINAL IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
NSN5306-00-869-1840
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 205523P15 · 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: 0.205 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.755 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO FLAT: 0.360 INCHES NOMINAL IN
•
THREAD LENGTH: 0.675 INCHES NOMINAL IN
•
HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
RIB LENGTH: 0.360 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.205 INCHES NOMINAL IN
FASTENER LENGTH2.755 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO FLAT0.360 INCHES NOMINAL IN
THREAD LENGTH0.675 INCHES NOMINAL IN
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
RIB LENGTH0.360 INCHES NOMINAL IN
RIB MINOR DIAMETER0.459 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.438 INCHES 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 205523P15?
205523P15 is a BOLT,RIBBED NECK.
What is the NSN for 205523P15?
205523P15 is cataloged in the U.S. Government catalog under NSN 5306-00-869-1840. 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.