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Technical Data Sheet
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21542033.009 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

21542033.009: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-308-7414, 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
21542033.009
NSN: 5310-01-308-7414
NIINs: 013087414, 014827967
FSC: 5310 — Nuts and Washers
CAGE: 0BAT5 — U.S. DEFENSE SERVICES, INC. DBA USDS (USA)
SPECIFICATIONS
Part Number21542033.009
NSN5310-01-308-7414
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21542033.009 · 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 2
90826-991Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
10079593Reference document
Same NSN cross-reference
Reference document — Informative 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 21542033.009?
21542033.009 is a WASHER,FLAT.
What parts can replace 21542033.009?
There are 2 known substitutes for 21542033.009: 90826-991, 10079593. Substitute compatibility should be verified for your specific system.
What is the NSN for 21542033.009?
21542033.009 is cataloged in the U.S. Government catalog under NSN 5310-01-308-7414. This indicates validated use in U.S. government and defense supply chains.
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