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R863PC49 — NUT,LOWER BEARING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

R863PC49: NUT,LOWER BEARING.

The NUT,LOWER BEARING is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,2.594 IN. OD,0.750 IN.

THK,1.750 IN BY 12UN THD,GROVE 0.266 IN. W BY 0.250 IN. D IN, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-710-8086, 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
R863PC49
NSN: 5310-00-710-8086
FSC: 5310 — Nuts and Washers
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,2.594 IN. OD,0.750 IN. THK,1.750 IN BY 12UN THD,GROVE 0.266 IN. W BY 0.250 IN. D IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-710-8086
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R863PC49 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,2.594 IN. OD,0.750 IN. THK,1.750 IN BY 12UN THD,GROVE 0.266 IN. W BY 0.250 IN. D IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,2.594 IN. OD,0.750 IN. THK,1.750 IN BY 12UN THD,GROVE 0.266 IN. W BY 0.250 IN. D IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SUBSTITUTES & CROSS-REFERENCES 1
R933PC1KKSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 R863PC49?
R863PC49 is a NUT,LOWER BEARING.
What parts can replace R863PC49?
There is 1 known substitute for R863PC49: R933PC1KK. Substitute compatibility should be verified for your specific system.
What is the NSN for R863PC49?
R863PC49 is cataloged in the U.S. Government catalog under NSN 5310-00-710-8086. 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.