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59649D — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

59649D: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thickness: 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN, hole_diameter: 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL B MINIMUM AND 65.0 ROCKWELL B MAXIMUM, overall_diameter: 0.560 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-141-1741, 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
59649D
NSN: 5310-00-141-1741
FSC: 5310 — Nuts and Washers
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thickness0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
hole_diameter0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL B MINIMUM AND 65.0 ROCKWELL B MAXIMUM
overall_diameter0.560 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-141-1741
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 59649D · 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: 0.560 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL B MINIMUM AND 65.0 ROCKWELL B MAXIMUM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
THICKNESS: 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.560 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL B MINIMUM AND 65.0 ROCKWELL B MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
THICKNESS0.050 INCHES MINIMUM AND 0.055 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 59649D?
59649D is a WASHER,FLAT.
What is the NSN for 59649D?
59649D is cataloged in the U.S. Government catalog under NSN 5310-00-141-1741. This indicates validated use in U.S. government and defense supply chains.
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