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5489364 ITEM 3 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5489364 ITEM 3: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, thickness: 0.380 INCHES NOMINAL IN, hole_diameter: 0.879 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN, overall_diameter: 2.750 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-342-0298, 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
5489364 ITEM 3
NSN: 5310-01-342-0298
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
thickness0.380 INCHES NOMINAL IN
hole_diameter0.879 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN
overall_diameter2.750 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-342-0298
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5489364 ITEM 3 · 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
•
OVERALL DIAMETER: 2.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: NICKEL ALLOY 400 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.879 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN
•
THICKNESS: 0.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALNICKEL ALLOY 400 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.879 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN
THICKNESS0.380 INCHES NOMINAL IN
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 3
5489364 FIND 3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
L8810603Reference document
Same NSN cross-reference
Reference document — Secondary reference
522 5489364 REVReference 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 5489364 ITEM 3?
5489364 ITEM 3 is a WASHER,FLAT.
What parts can replace 5489364 ITEM 3?
There are 3 known substitutes for 5489364 ITEM 3: 5489364 FIND 3, L8810603, 522 5489364 REV. Substitute compatibility should be verified for your specific system.
What is the NSN for 5489364 ITEM 3?
5489364 ITEM 3 is cataloged in the U.S. Government catalog under NSN 5310-01-342-0298. This indicates validated use in U.S. government and defense supply chains.
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