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VS3174-8D26 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

VS3174-8D26: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN, head_height: 0.281 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-134-0728, 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
VS3174-8D26
NSN: 5306-01-134-0728
FSC: 5306 — Bolts
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleSPLINE DRIVE SHEAR HEAD
grip_length1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
head_height0.281 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN
thread_length0.433 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
fastener_length2.068 INCHES MINIMUM AND 2.088 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.774 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
NSN5306-01-134-0728
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: VS3174-8D26 · 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: 0.281 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.068 INCHES MINIMUM AND 2.088 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.433 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: SPLINE DRIVE SHEAR HEAD
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.281 INCHES NOMINAL IN
FASTENER LENGTH2.068 INCHES MINIMUM AND 2.088 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.433 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLESPLINE DRIVE SHEAR HEAD
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.774 INCHES MINIMUM AND 0.782 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 8
10115930Reference document
Same NSN cross-reference
Reference document — Informative reference only
VCG0001-8D26Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PBF1265-8D26Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S406-8D26Reference document
Same NSN cross-reference
Reference document — Secondary reference
122895-8D26Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3M744-8D26Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is VS3174-8D26?
VS3174-8D26 is a BOLT,CLOSE TOLERANCE.
What parts can replace VS3174-8D26?
There are 8 known substitutes for VS3174-8D26: 10115930, VCG0001-8D26, PBF1265-8D26 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for VS3174-8D26?
VS3174-8D26 is cataloged in the U.S. Government catalog under NSN 5306-01-134-0728. 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.