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PartsTable / COMPONENT / R-916 PIECE 13
R-916 PIECE 13 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The KEY,WOODRUFF is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-303-6257, 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
R-916 PIECE 13
NSN: 5315-01-303-6257
FSC: 5315
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
Part NumberR-916 PIECE 13
NSN5315-01-303-6257
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R-916 PIECE 13 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
333005Interchangeable
interchangeable cross-reference
interchangeable
N5Interchangeable
interchangeable cross-reference
interchangeable
G9818PC125Interchangeable
interchangeable cross-reference
interchangeable
BM213Interchangeable
interchangeable cross-reference
interchangeable
D15-771MPC810Interchangeable
interchangeable cross-reference
interchangeable
8763398Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R-916 PIECE 13?
R-916 PIECE 13 is a KEY,WOODRUFF.
What parts can replace R-916 PIECE 13?
There are 14 known substitutes for R-916 PIECE 13: 333005, N5, G9818PC125 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R-916 PIECE 13?
R-916 PIECE 13 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-303-6257. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026