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10553268 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10553268: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 170 OVERALL, thickness: 0.020 INCHES NOMINAL IN, hole_diameter: 0.377 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN, overall_diameter: 0.562 INCHES NOMINAL IN, surface_treatment: OXIDE FILM OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-228-1640, 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
10553268
NSN: 5310-00-228-1640
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 170 OVERALL
thickness0.020 INCHES NOMINAL IN
hole_diameter0.377 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN
overall_diameter0.562 INCHES NOMINAL IN
surface_treatmentOXIDE FILM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-C-522,HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-228-1640
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10553268 · 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: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.562 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-522,HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: COPPER ALLOY 170 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.562 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-522,HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORBLACK OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALCOPPER ALLOY 170 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.377 INCHES MINIMUM AND 0.382 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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10553268?
10553268 is a WASHER,FLAT.
What is the NSN for 10553268?
10553268 is cataloged in the U.S. Government catalog under NSN 5310-00-228-1640. This indicates validated use in U.S. government and defense supply chains.
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