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21514223 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

21514223: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include special_features: STUD, CASING TO BACK PLATE, 5/8 - 11 X 2 - 3/4 IN IN, end_item_identification: ALCO251 MARINE DIESEL ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-470-2641, 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
21514223
NSN: 5307-01-470-2641
FSC: 5307 — Studs
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
special_featuresSTUD, CASING TO BACK PLATE, 5/8 - 11 X 2 - 3/4 IN IN
end_item_identificationALCO251 MARINE DIESEL ENGINE
NSN5307-01-470-2641
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21514223 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTUD, CASING TO BACK PLATE, 5/8 - 11 X 2 - 3/4 IN IN
END ITEM IDENTIFICATIONALCO251 MARINE DIESEL ENGINE
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21514223?
21514223 is a STUD,PLAIN.
What is the NSN for 21514223?
21514223 is cataloged in the U.S. Government catalog under NSN 5307-01-470-2641. 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.