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19E2401088-2 — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

19E2401088-2: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SEALING ELEMENT, hole_diameter: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN, major_thickness: 0.114 INCHES NOMINAL0.114 INCHES NOMINAL IN, minor_thickness: 0.084 INCHES NOMINAL0.084 INCHES NOMINAL IN, outside_diameter: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN, end_item_identification: 4220-01-618-62664220-01-618-6266. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-656-2328, 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
19E2401088-2
NSN: 5310-01-656-2328
FSC: 5310 — Nuts and Washers
CAGE: 5B5M3 — DEVCOM CHEMICAL BIOLOGICAL CENTER DBA CHEMICAL BIOLOGICAL CENTER DIV U.S. DEPT OF ARMY (USA)
SPECIFICATIONS
materialRUBBER SEALING ELEMENT
hole_diameter0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
major_thickness0.114 INCHES NOMINAL0.114 INCHES NOMINAL IN
minor_thickness0.084 INCHES NOMINAL0.084 INCHES NOMINAL IN
outside_diameter0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
end_item_identification4220-01-618-62664220-01-618-6266
NSN5310-01-656-2328
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 19E2401088-2 · 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
•
MINOR THICKNESS: 0.084 INCHES NOMINAL0.084 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.114 INCHES NOMINAL0.114 INCHES NOMINAL IN
•
MATERIAL: STEEL BODY
•
HOLE DIAMETER: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MINOR THICKNESS0.084 INCHES NOMINAL0.084 INCHES NOMINAL IN
OUTSIDE DIAMETER0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
MAJOR THICKNESS0.114 INCHES NOMINAL0.114 INCHES NOMINAL IN
END ITEM IDENTIFICATION4220-01-618-62664220-01-618-6266
MATERIALSTEEL BODY
MATERIALRUBBER SEALING ELEMENT
HOLE DIAMETER0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
19E2401088Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 19E2401088-2?
19E2401088-2 is a WASHER,SEAL.
What parts can replace 19E2401088-2?
There is 1 known substitute for 19E2401088-2: 19E2401088. Substitute compatibility should be verified for your specific system.
What is the NSN for 19E2401088-2?
19E2401088-2 is cataloged in the U.S. Government catalog under NSN 5310-01-656-2328. 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.