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40-0017301B — SCREW,ADJUSTING,VALVE TAPPET

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

40-0017301B: SCREW,ADJUSTING,VALVE TAPPET.

The SCREW,ADJUSTING,VALVE TAPPET is a the manufacturer industrial component. Key specifications include material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-718-4764, 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
40-0017301B
NSN: 2815-00-718-4764
FSC: 2815 — Diesel Engines and Components
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialSTEEL
NSN2815-00-718-4764
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCREW,ADJUSTING,VALVE TAPPET TITLE COMPONENT PN 40-0017301B MFR SCREW,ADJUSTING,VALVE
KEY FEATURES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES1.125 IN. LG O/A;HEX HEAD 0.500 IN. WD ACROSS FLATS,0.219 IN. THK,HEAD CONCAVED 0.438 IN. WD BY 0.125 IN. DEEP;THD DATA 0.375-24 UNF,0.500 IN. THD LG,EXTERNAL RELIEVED BODY 0.188 IN. DIA BY 0.156 IN. LG;THD DATA 0.375-24 UNF BY 0.250 IN. LG;THD END INTERNALLY RELIEVED BODY 0.188 IN. ID BY 0.188 IN. DEEP,0.125 IN. ID BY 0.500 IN. DEEP,0.078 IN. ID BY 0.250 IN. DEEP IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 6
40-0017301Reference document
Same NSN cross-reference
Reference document — Secondary reference
255078BReference document
Same NSN cross-reference
Reference document — Secondary reference
255078AReference document
Same NSN cross-reference
Reference document — Secondary reference
255078Reference document
Same NSN cross-reference
Reference document — Secondary reference
N2-585Reference document
Same NSN cross-reference
Reference document — Secondary reference
P1174Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 40-0017301B?
40-0017301B is a SCREW,ADJUSTING,VALVE TAPPET.
What parts can replace 40-0017301B?
There are 6 known substitutes for 40-0017301B: 40-0017301, 255078B, 255078A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40-0017301B?
40-0017301B is cataloged in the U.S. Government catalog under NSN 2815-00-718-4764. 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.