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Technical Data Sheet
PartsTable / COMPONENT / NA-69261
NA-69261 ✓ 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 WASHER,KEYWAY 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 5310-01-208-7991, 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
NA-69261
NSN: 5310-01-208-7991
FSC: 5310
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
Part NumberNA-69261
NSN5310-01-208-7991
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NA-69261 · 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 6
521694Interchangeable
interchangeable cross-reference
interchangeable
431818Interchangeable
interchangeable cross-reference
interchangeable
482994Interchangeable
interchangeable cross-reference
interchangeable
407NC6089Interchangeable
interchangeable cross-reference
interchangeable
783011Interchangeable
interchangeable cross-reference
interchangeable
NH6756A407Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NA-69261?
NA-69261 is a WASHER,KEYWAY.
What parts can replace NA-69261?
There are 6 known substitutes for NA-69261: 521694, 431818, 482994 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NA-69261?
NA-69261 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-208-7991. 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