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545496 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

545496: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, head_style: DEE, head_height: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.143 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-917-7707, 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
545496
NSN: 5306-00-917-7707
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
head_styleDEE
head_height0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length0.143 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
fastener_length0.575 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
special_featuresSURFACE TREATMENT SH0ULDERED PORTION ONLY
thread_directionRIGHT-HAND
surface_treatmentCHROMIUM GRIP
nominal_thread_diameter0.190 INCHES IN
NSN5306-00-917-7707
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 545496 · 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: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.575 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.143 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.2475 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 0.340 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
FASTENER LENGTH0.575 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO FLAT0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
THREAD LENGTH0.143 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.2475 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.340 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.392 INCHES MINIMUM AND 0.442 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 545496?
545496 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 545496?
545496 is cataloged in the U.S. Government catalog under NSN 5306-00-917-7707. This indicates validated use in U.S. government and defense supply chains.
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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.