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21510857 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

21510857: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include overall_length: 10.750 INCHES NOMINAL IN, special_features: 5/8-11X10 3/4 IN.; FACE PLATE AND CASING TO BACK PLATE IN, end_item_identification: ALCO 251 DIESEL ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-470-0123, 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
21510857
NSN: 5307-01-470-0123
FSC: 5307 — Studs
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
overall_length10.750 INCHES NOMINAL IN
special_features5/8-11X10 3/4 IN.; FACE PLATE AND CASING TO BACK PLATE IN
end_item_identificationALCO 251 DIESEL ENGINE
NSN5307-01-470-0123
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21510857 · 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
OVERALL LENGTH10.750 INCHES NOMINAL IN
SPECIAL FEATURES5/8-11X10 3/4 IN.; FACE PLATE AND CASING TO BACK PLATE IN
END ITEM IDENTIFICATIONALCO 251 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 21510857?
21510857 is a STUD,PLAIN.
What is the NSN for 21510857?
21510857 is cataloged in the U.S. Government catalog under NSN 5307-01-470-0123. This indicates validated use in U.S. government and defense supply chains.
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