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MA3453-120 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MA3453-120: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 2.3 MILLIMETERS MINIMUM AND 2.7 MILLIMETERS MAXIMUM MM, hole_diameter: 13.3 MILLIMETERS MINIMUM AND 13.5 MILLIMETERS MAXIMUM MM, hardness_rating: 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OR 247.0 ROCKWELL B MINIMUM AND 327.0 ROCKWELL B MAXIMUM, overall_diameter: 20.5 MILLIMETERS MINIMUM AND 21.0 MILLIMETERS MAXIMUM MM, special_features: PRECIPITATION HEAT TREAT PER AMS-2759/3; HARDNESS ALSO 260-345 HV. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-597-1840, 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
MA3453-120
NSN: 5310-01-597-1840
FSC: 5310 — Nuts and Washers
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness2.3 MILLIMETERS MINIMUM AND 2.7 MILLIMETERS MAXIMUM MM
hole_diameter13.3 MILLIMETERS MINIMUM AND 13.5 MILLIMETERS MAXIMUM MM
hardness_rating24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OR 247.0 ROCKWELL B MINIMUM AND 327.0 ROCKWELL B MAXIMUM
overall_diameter20.5 MILLIMETERS MINIMUM AND 21.0 MILLIMETERS MAXIMUM MM
special_featuresPRECIPITATION HEAT TREAT PER AMS-2759/3; HARDNESS ALSO 260-345 HV
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS-5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyWASHER, FLAT, AMS-5525, METRIC
NSN5310-01-597-1840
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MA3453-120 · 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: MA1784 FED STD SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 20.5 MILLIMETERS MINIMUM AND 21.0 MILLIMETERS MAXIMUM MM
•
HARDNESS RATING: 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OR 247.0 ROCKWELL B MINIMUM AND 327.0 ROCKWELL B MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMA1784 FED STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER20.5 MILLIMETERS MINIMUM AND 21.0 MILLIMETERS MAXIMUM MM
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OR 247.0 ROCKWELL B MINIMUM AND 327.0 ROCKWELL B MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESPRECIPITATION HEAT TREAT PER AMS-2759/3; HARDNESS ALSO 260-345 HV
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, FLAT, AMS-5525, METRIC
MATERIALSTEEL CORROSION RESISTING OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MA3453-120?
MA3453-120 is a WASHER,FLAT.
What is the NSN for MA3453-120?
MA3453-120 is cataloged in the U.S. Government catalog under NSN 5310-01-597-1840. This indicates validated use in U.S. government and defense supply chains.
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