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5310PL2154219 — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5310PL2154219: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN, outside_diameter: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN, style_designator: CONCAVE, end_item_identification: RF-382A-15RF-382A-15 A. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-518-3754, 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
5310PL2154219
NSN: 5310-01-518-3754
FSC: 5310 — Nuts and Washers
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
outside_diameter0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
style_designatorCONCAVE
end_item_identificationRF-382A-15RF-382A-15 A
NSN5310-01-518-3754
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310PL2154219 · 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
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER0.562 INCHES NOMINAL0.562 INCHES NOMINAL IN
END ITEM IDENTIFICATIONRF-382A-15RF-382A-15 A
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
718257-1/4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5310PL2154219?
5310PL2154219 is a WASHER,SEAL.
What parts can replace 5310PL2154219?
There is 1 known substitute for 5310PL2154219: 718257-1/4. Substitute compatibility should be verified for your specific system.
What is the NSN for 5310PL2154219?
5310PL2154219 is cataloged in the U.S. Government catalog under NSN 5310-01-518-3754. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.