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205364P20 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

205364P20: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN, thread_length: 0.690 INCHES NOMINAL IN, fastener_length: 2.425 INCHES MINIMUM AND 2.435 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-953-2379, 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
205364P20
NSN: 5306-00-953-2379
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
thread_length0.690 INCHES NOMINAL IN
fastener_length2.425 INCHES MINIMUM AND 2.435 INCHES MAXIMUM IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
nominal_thread_diameter0.4375 INCHES IN
fifth_diameter_from_head0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
first_diameter_from_head0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
sixth_diameter_from_head0.434 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
NSN5306-00-953-2379
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 205364P20 · 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
•
FOURTH DIAMETER FROM HEAD: 0.434 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SEVENTH DIAMETER: 1.730 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER: 1.510 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
SIXTH DIAMETER FROM HEAD: 0.434 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.425 INCHES MINIMUM AND 2.435 INCHES MAXIMUM IN
•
SEVENTH DIAMETER FROM HEAD: 0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.690 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FOURTH DIAMETER FROM HEAD0.434 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SEVENTH DIAMETER1.730 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER1.510 INCHES NOMINAL IN
HEAD HEIGHT0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
SIXTH DIAMETER FROM HEAD0.434 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
FASTENER LENGTH2.425 INCHES MINIMUM AND 2.435 INCHES MAXIMUM IN
SEVENTH DIAMETER FROM HEAD0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
THREAD LENGTH0.690 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
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 205364P20?
205364P20 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 205364P20?
205364P20 is cataloged in the U.S. Government catalog under NSN 5306-00-953-2379. 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.