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ERH553-8002D103-6 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ERH553-8002D103-6: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-722-6580, 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
ERH553-8002D103-6
NSN: 5310-01-722-6580
FSC: 5310 — Nuts and Washers
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberERH553-8002D103-6
NSN5310-01-722-6580
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ERH553-8002D103-6 · 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
SUBSTITUTES & CROSS-REFERENCES 3
845-8543136Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
218250727Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
91FC-1426-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 ERH553-8002D103-6?
ERH553-8002D103-6 is a WASHER,FLAT.
What parts can replace ERH553-8002D103-6?
There are 3 known substitutes for ERH553-8002D103-6: 845-8543136, 218250727, 91FC-1426-10. Substitute compatibility should be verified for your specific system.
What is the NSN for ERH553-8002D103-6?
ERH553-8002D103-6 is cataloged in the U.S. Government catalog under NSN 5310-01-722-6580. 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.