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168306 — SCREW,ADJUSTING,VALVE TAPPET

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

168306: SCREW,ADJUSTING,VALVE TAPPET.

The SCREW,ADJUSTING,VALVE TAPPET is a the manufacturer industrial component. Key specifications include specification/standard_data: 15434-0168306 MANUFACTURERS STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-947-3437, 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
168306
NSN: 5305-00-947-3437
NIINs: 009473437, 013232604
FSC: 5305 — Screws
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
specification/standard_data15434-0168306 MANUFACTURERS STANDARD
NSN5305-00-947-3437
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 168306 · 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
•
POINT DIAMETER: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
•
POINT LENGTH: 0.455 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.045 INCHES NOMINAL IN
•
THREAD LENGTH: 1.590 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: BALL
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
POINT LENGTH0.455 INCHES NOMINAL IN
FASTENER LENGTH2.045 INCHES NOMINAL IN
THREAD LENGTH1.590 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEBALL
INTERNAL DRIVE STYLESLOT
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 1
5305009473437Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 168306?
168306 is a SCREW,ADJUSTING,VALVE TAPPET.
What parts can replace 168306?
There is 1 known substitute for 168306: 5305009473437. Substitute compatibility should be verified for your specific system.
What is the NSN for 168306?
168306 is cataloged in the U.S. Government catalog under NSN 5305-00-947-3437. 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.