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649-7546 ITEM 14 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

649-7546 ITEM 14: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-411-0875, 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
649-7546 ITEM 14
NSN: 5310-01-411-0875
FSC: 5310 — Nuts and Washers
CAGE: 09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
Part Number649-7546 ITEM 14
NSN5310-01-411-0875
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 649-7546 ITEM 14 · 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
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 2
952-7586Reference document
Same NSN cross-reference
Reference document — Secondary reference
952-07586-000Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 649-7546 ITEM 14?
649-7546 ITEM 14 is a WASHER,LOCK.
What parts can replace 649-7546 ITEM 14?
There are 2 known substitutes for 649-7546 ITEM 14: 952-7586, 952-07586-000. Substitute compatibility should be verified for your specific system.
What is the NSN for 649-7546 ITEM 14?
649-7546 ITEM 14 is cataloged in the U.S. Government catalog under NSN 5310-01-411-0875. This indicates validated use in U.S. government and defense supply chains.
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