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C20885 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C20885: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, thickness: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN, hole_diameter: 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, overall_diameter: 0.437 INCHES NOMINAL IN, surface_treatment: OXIDE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-480-7144, 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
C20885
NSN: 5310-01-480-7144
FSC: 5310 — Nuts and Washers
CAGE: 59885 — ROSEMOUNT AEROSPACE INC DBA ROSEMOUNT AEROSPACE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
hole_diameter0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
overall_diameter0.437 INCHES NOMINAL IN
surface_treatmentOXIDE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification1520-01-355-8250;HELICOPTER,ATTACK
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationMIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-480-7144
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C20885 · 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-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.437 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 302 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.437 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORBLACK OVERALL
SURFACE TREATMENTOXIDE OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATION1520-01-355-8250;HELICOPTER,ATTACK
MATERIALSTEEL COMP 302 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.190 INCHES MINIMUM AND 0.195 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 2
10335278Reference document
Same NSN cross-reference
Reference document — Informative reference only
C20885-0022Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C20885?
C20885 is a WASHER,FLAT.
What parts can replace C20885?
There are 2 known substitutes for C20885: 10335278, C20885-0022. Substitute compatibility should be verified for your specific system.
What is the NSN for C20885?
C20885 is cataloged in the U.S. Government catalog under NSN 5310-01-480-7144. This indicates validated use in U.S. government and defense supply chains.
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