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21542311-228 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

21542311-228: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-165-4750, 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
21542311-228
NSN: 5310-01-165-4750
FSC: 5310 — Nuts and Washers
CAGE: 0H7R3 — MACGREGOR USA INC. DIV MACGREGOR USA (USA)
SPECIFICATIONS
Part Number21542311-228
NSN5310-01-165-4750
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21542311-228 · 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 6
445-9967Reference document
Same NSN cross-reference
Reference document — Informative reference only
HE011230Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
90835-991Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2154 2311-228 TAKR 287Reference document
Same NSN cross-reference
Reference document — Secondary reference
011230Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MB12Same 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 21542311-228?
21542311-228 is a WASHER,KEY.
What parts can replace 21542311-228?
There are 6 known substitutes for 21542311-228: 445-9967, HE011230, 90835-991 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21542311-228?
21542311-228 is cataloged in the U.S. Government catalog under NSN 5310-01-165-4750. This indicates validated use in U.S. government and defense supply chains.
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