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540-3003-003 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

540-3003-003: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 101 OVERALL, thickness: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN, hole_diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, heat_treatment: ANNEALED, overall_diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-442-4556, 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
540-3003-003
NSN: 5310-00-442-4556
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 101 OVERALL
thickness0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
hole_diameter0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
heat_treatmentANNEALED
overall_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-442-4556
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 540-3003-003 · 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 TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
HEAT TREATMENT: ANNEALED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY 101 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
HEAT TREATMENTANNEALED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY 101 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
FF-W-92BReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 540-3003-003?
540-3003-003 is a WASHER,FLAT.
What parts can replace 540-3003-003?
There is 1 known substitute for 540-3003-003: FF-W-92B. Substitute compatibility should be verified for your specific system.
What is the NSN for 540-3003-003?
540-3003-003 is cataloged in the U.S. Government catalog under NSN 5310-00-442-4556. This indicates validated use in U.S. government and defense supply chains.
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