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Technical Data Sheet
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6406842-44 — 6406842-44

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6406842-44: 6406842-44.

The 6406842-44 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-452-2687, 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
6406842-44
NSN: 5315-01-452-2687
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number6406842-44
NSN5315-01-452-2687
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6406842-44 · 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
•
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER
•
FIRST END TAPER LENGTH: 0.040 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.2500 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 3.380 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER
FIRST END TAPER LENGTH0.040 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.2500 INCHES NOMINAL IN
PIN OVERALL LENGTH3.380 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
211049259Reference document
Same NSN cross-reference
Reference document — Secondary reference
752-6406842-44Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
742-6406842 ITEM 44Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 6406842-44?
6406842-44 is a 6406842-44.
What parts can replace 6406842-44?
There are 3 known substitutes for 6406842-44: 211049259, 752-6406842-44, 742-6406842 ITEM 44. Substitute compatibility should be verified for your specific system.
What is the NSN for 6406842-44?
6406842-44 is cataloged in the U.S. Government catalog under NSN 5315-01-452-2687. This indicates validated use in U.S. government and defense supply chains.
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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.