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40-3093301A — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

40-3093301A: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 4042 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.430 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.880 INCHES NOMINAL IN, fastener_length: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-616-5648, 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
40-3093301A
NSN: 5306-00-616-5648
FSC: 5306 — Bolts
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4042 OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.430 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
thread_class3A A
thread_length0.880 INCHES NOMINAL IN
fastener_length1.500 INCHES NOMINAL IN
hardness_rating36.0 ROCKWELL C MINIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.432 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
nominal_thread_diameter0.438 INCHES IN
extended_washer_diameter0.644 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN
first_diameter_from_head0.352 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
NSN5306-00-616-5648
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40-3093301A · 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
•
EXTENDED WASHER THICKNESS: 0.147 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.430 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.644 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.880 INCHES NOMINAL IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM OVERALL
•
FIRST DIAMETER FROM HEAD: 0.352 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.147 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
HEAD HEIGHT0.430 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
FASTENER LENGTH1.500 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.644 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN
THREAD LENGTH0.880 INCHES NOMINAL IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL
FIRST DIAMETER FROM HEAD0.352 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.438 INCHES IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
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 40-3093301A?
40-3093301A is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 40-3093301A?
40-3093301A is cataloged in the U.S. Government catalog under NSN 5306-00-616-5648. 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.