PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 8843219/PAGE 21 PN 77
8843219/PAGE 21 PN 77 ✓ 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 8843219/PAGE 21 PN 77 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 5315-01-721-5526, 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
8843219/PAGE 21 PN 77
NSN: 5315-01-721-5526
FSC: 5315
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number8843219/PAGE 21 PN 77
NSN5315-01-721-5526
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8843219/PAGE 21 PN 77 · 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 23
581-8843219-116Interchangeable
interchangeable cross-reference
interchangeable
LOA037021-116Interchangeable
interchangeable cross-reference
interchangeable
211015990FInterchangeable
interchangeable cross-reference
interchangeable
8843219/PAGE 54 PN A3Interchangeable
interchangeable cross-reference
interchangeable
LOA037021-A3Interchangeable
interchangeable cross-reference
interchangeable
8843219Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8843219/PAGE 21 PN 77?
8843219/PAGE 21 PN 77 is a 8843219/PAGE 21 PN 77.
What parts can replace 8843219/PAGE 21 PN 77?
There are 23 known substitutes for 8843219/PAGE 21 PN 77: 581-8843219-116, LOA037021-116, 211015990F and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8843219/PAGE 21 PN 77?
8843219/PAGE 21 PN 77 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-721-5526. 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