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VS2403-6-25 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

VS2403-6-25: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, grip_length: 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN, head_height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-202-0626, 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
VS2403-6-25
NSN: 5306-00-202-0626
FSC: 5306 — Bolts
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
grip_length1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN
head_height0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.3737 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN
thread_length0.412 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
fastener_length1.984 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.552 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
extended_washer_diameter0.546 INCHES MINIMUM IN
NSN5306-00-202-0626
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: VS2403-6-25 · 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: 0.006 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.984 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.546 INCHES MINIMUM IN
•
THREAD LENGTH: 0.412 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: VSM 1521 FSCM 92215 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.006 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
FASTENER LENGTH1.984 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.546 INCHES MINIMUM IN
THREAD LENGTH0.412 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONVSM 1521 FSCM 92215 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON 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 VS2403-6-25?
VS2403-6-25 is a BOLT,CLOSE TOLERANCE.
What is the NSN for VS2403-6-25?
VS2403-6-25 is cataloged in the U.S. Government catalog under NSN 5306-00-202-0626. 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.