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763-8544-001 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

763-8544-001: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, thickness: 0.0145 INCHES MINIMUM AND 0.0175 INCHES MAXIMUM IN, hole_diameter: 0.625 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM, overall_diameter: 0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-989-5285, 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
763-8544-001
NSN: 5310-00-989-5285
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
thickness0.0145 INCHES MINIMUM AND 0.0175 INCHES MAXIMUM IN
hole_diameter0.625 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM
overall_diameter0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength190000 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-989-5285
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 763-8544-001 · 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: 0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MINIMUM TENSILE STRENGTH: 190000 POUNDS PER SQUARE INCH LBS
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 630 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
MINIMUM TENSILE STRENGTH190000 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 630 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.625 INCHES MINIMUM AND 0.628 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

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 763-8544-001?
763-8544-001 is a WASHER,FLAT.
What is the NSN for 763-8544-001?
763-8544-001 is cataloged in the U.S. Government catalog under NSN 5310-00-989-5285. This indicates validated use in U.S. government and defense supply chains.
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