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Technical Data Sheet
PartsTable / COMPONENT / 8448621
8448621 ✓ 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 PIN,GROOVED,HEADED 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 5315-00-017-9537, 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
8448621
NSN: 5315-00-017-9537
FSC: 5315
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
Part Number8448621
NSN5315-00-017-9537
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8448621 · 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 21
090-08201Interchangeable
interchangeable cross-reference
interchangeable
82290Interchangeable
interchangeable cross-reference
interchangeable
N577PC17Interchangeable
interchangeable cross-reference
interchangeable
62221Interchangeable
interchangeable cross-reference
interchangeable
291517R1Interchangeable
interchangeable cross-reference
interchangeable
S2989Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8448621?
8448621 is a PIN,GROOVED,HEADED.
What parts can replace 8448621?
There are 21 known substitutes for 8448621: 090-08201, 82290, N577PC17 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8448621?
8448621 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-017-9537. 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