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7881553003 — STUD,SPINDLE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7881553003: STUD,SPINDLE.

The STUD,SPINDLE is a the manufacturer industrial component. Key specifications include end_item_identification: SDA-18 STEERABLE DRIVE AXLE, part_name_assigned_by_controlling_agency: STUD, WHEEL SPINDLE. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-644-6619, 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
7881553003
NSN: 5307-01-644-6619
FSC: 5307 — Studs
CAGE: 21292 — KELSEY-HAYES CO FABCO DIV (USA)
SPECIFICATIONS
end_item_identificationSDA-18 STEERABLE DRIVE AXLE
part_name_assigned_by_controlling_agencySTUD, WHEEL SPINDLE
NSN5307-01-644-6619
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7881553003 · 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
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUD, WHEEL SPINDLE
END ITEM IDENTIFICATIONSDA-18 STEERABLE DRIVE AXLE
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 2
F48917881553003Reference document
Same NSN cross-reference
Reference document — Secondary reference
4891-7881553003Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7881553003?
7881553003 is a STUD,SPINDLE.
What parts can replace 7881553003?
There are 2 known substitutes for 7881553003: F48917881553003, 4891-7881553003. Substitute compatibility should be verified for your specific system.
What is the NSN for 7881553003?
7881553003 is cataloged in the U.S. Government catalog under NSN 5307-01-644-6619. 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.