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4891-736878 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4891-736878: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include special_features: PART NUMBER IS PART OF YOKE, OUTER DRIVE WITH RING AND BEARING RACE AND YOKE, INNER DRIVE WITH RING, end_item_identification: STEERABLE DRIVE AXLE, MODEL NO. SDA 18, part_name_assigned_by_controlling_agency: SPLIT RING, STEEL.

This part is cataloged in the U.S. Government catalog under NSN 5325-01-644-5576, 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
4891-736878
NSN: 5325-01-644-5576
FSC: 5325 — Fastening Devices
CAGE: Z4117 — VOLVO GROUP GOVERNMENT SALES OCEANI OCEANIA VOLVO GROUP GOVERNMENT SALES (AUS)
SPECIFICATIONS
special_featuresPART NUMBER IS PART OF YOKE, OUTER DRIVE WITH RING AND BEARING RACE AND YOKE, INNER DRIVE WITH RING
end_item_identificationSTEERABLE DRIVE AXLE, MODEL NO. SDA 18
part_name_assigned_by_controlling_agencySPLIT RING, STEEL
NSN5325-01-644-5576
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4891-736878 · 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 FEATURESPART NUMBER IS PART OF YOKE, OUTER DRIVE WITH RING AND BEARING RACE AND YOKE, INNER DRIVE WITH RING
PART NAME ASSIGNED BY CONTROLLING AGENCYSPLIT RING, STEEL
END ITEM IDENTIFICATIONSTEERABLE DRIVE AXLE, MODEL NO. SDA 18
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 1
736878Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4891-736878?
4891-736878 is a RING,RETAINING.
What parts can replace 4891-736878?
There is 1 known substitute for 4891-736878: 736878. Substitute compatibility should be verified for your specific system.
What is the NSN for 4891-736878?
4891-736878 is cataloged in the U.S. Government catalog under NSN 5325-01-644-5576. 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.