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PartsTable / COMPONENT / 54408-2
54408-2 ✓ 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 SEAL RING,METAL is a the manufacturer industrial component. Key specifications include end_item_identification: NF-5 AIRCRAFT GEARBOX. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-845-8213, 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
54408-2
NSN: 5315-00-845-8213
FSC: 5315
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
end_item_identificationNF-5 AIRCRAFT GEARBOX
NSN5315-00-845-8213
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 54408-2 · 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
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
MATERIAL: STEEL OVERALL
•
PIN OVERALL DIAMETER: 0.0622 INCHES MINIMUM AND 0.0628 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.340 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.005 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
MATERIALSTEEL OVERALL
PIN OVERALL DIAMETER0.0622 INCHES MINIMUM AND 0.0628 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.340 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.005 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
5228104Interchangeable
interchangeable cross-reference
interchangeable
33-414Interchangeable
interchangeable cross-reference
interchangeable
D33414Interchangeable
interchangeable cross-reference
interchangeable
34211Interchangeable
interchangeable cross-reference
interchangeable
74703Interchangeable
interchangeable cross-reference
interchangeable
TT372Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54408-2?
54408-2 is a SEAL RING,METAL.
What parts can replace 54408-2?
There are 12 known substitutes for 54408-2: 5228104, 33-414, D33414 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54408-2?
54408-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-845-8213. 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