PartsTable
Technical Data Sheet
Download PDF

HS4243-10-103 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HS4243-10-103: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 6.625 INCHES NOMINAL IN, head_height: 0.615 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-177-5716, 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
HS4243-10-103
NSN: 5306-01-177-5716
FSC: 5306 — Bolts
CAGE: 16258 — SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length6.625 INCHES NOMINAL IN
head_height0.615 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.672 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
hole_diameter0.141 INCHES NOMINAL IN
hole_quantity1
thread_length1.152 INCHES NOMINAL IN
fastener_length7.777 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5306-01-177-5716
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HS4243-10-103 · 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: 0.150 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.615 INCHES NOMINAL IN
•
FASTENER LENGTH: 7.777 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.152 INCHES NOMINAL IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.141 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5758 NATIONAL SPEC ALL MATERIAL RESPONSES OR AMS5844 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.150 INCHES NOMINAL IN
HEAD HEIGHT0.615 INCHES NOMINAL IN
FASTENER LENGTH7.777 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
THREAD LENGTH1.152 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER0.141 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5758 NATIONAL SPEC ALL MATERIAL RESPONSES OR AMS5844 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.625 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.
5306-00-001-1276 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 1
76924-10-103Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy HS4243-10-103?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is HS4243-10-103?
HS4243-10-103 is a BOLT,MACHINE.
What parts can replace HS4243-10-103?
There is 1 known substitute for HS4243-10-103: 76924-10-103. Substitute compatibility should be verified for your specific system.
What is the NSN for HS4243-10-103?
HS4243-10-103 is cataloged in the U.S. Government catalog under NSN 5306-01-177-5716. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — HS4243-10-103

✓ 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.