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HS4243V10-103 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HS4243V10-103: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: COBALT COMP MP-35-N OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 6.438 INCHES NOMINAL IN, head_height: 0.615 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-444-0592, 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
HS4243V10-103
NSN: 5306-01-444-0592
FSC: 5306 — Bolts
CAGE: 57928 — SONIC INDUSTRIES, INC. DBA SONIC INDUSTRIES INC DIV SONIC INDUSTRIES (USA)
SPECIFICATIONS
materialCOBALT COMP MP-35-N OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length6.438 INCHES NOMINAL IN
head_height0.615 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN
hole_diameter0.141 INCHES NOMINAL IN
thread_length1.152 INCHES NOMINAL IN
fastener_length7.590 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.755 INCHES NOMINAL IN
nominal_thread_diameter0.625 INCHES IN
NSN5306-01-444-0592
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HS4243V10-103 · 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: 7.590 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 1.045 INCHES NOMINAL IN
•
THREAD LENGTH: 1.152 INCHES NOMINAL IN
•
SHANK UNTHREADED HOLE DIAMETER: 7.402 INCHES NOMINAL LOCKING FEATURE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5758 ASSN STD ALL MATERIAL RESPONSES OR AMS5844 ASSN STD 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 LENGTH7.590 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER1.045 INCHES NOMINAL IN
THREAD LENGTH1.152 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER7.402 INCHES NOMINAL LOCKING FEATURE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5758 ASSN STD ALL MATERIAL RESPONSES OR AMS5844 ASSN STD 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 2
PBF1446V10-103Reference document
Same NSN cross-reference
Reference document — Secondary reference
SII1263V10-103Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HS4243V10-103?
HS4243V10-103 is a BOLT,CLOSE TOLERANCE.
What parts can replace HS4243V10-103?
There are 2 known substitutes for HS4243V10-103: PBF1446V10-103, SII1263V10-103. Substitute compatibility should be verified for your specific system.
What is the NSN for HS4243V10-103?
HS4243V10-103 is cataloged in the U.S. Government catalog under NSN 5306-01-444-0592. 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.