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8408775 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8408775: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OR STEEL COMP 1025 OVERALL, thickness: 0.061 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, hole_diameter: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM, overall_diameter: 0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-699-3465, 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
8408775
NSN: 5310-01-699-3465
NIINs: 016993465, 017070234, 017070236, 017091711
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OR STEEL COMP 1025 OVERALL
thickness0.061 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
hole_diameter0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
overall_diameter0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleBLANK RECTANGULAR
material_document_and_classificationAMS 6350 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyWASHER,FLAT
surface_treatment_document_and_classificationAMS B633 TYPE V OR VI,SC3. POST COATING HEAT TREATMENT IAW ASTM B850,TABLE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-699-3465
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8408775 · 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: ASTM B633, TYPE V OR VI ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE AMS5046 AEROSPACE MATERIAL SPEC STD 1ST MATERIAL RESPONSE OR STM A109/A109M FED STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OR STEEL COMP 1137 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633, TYPE V OR VI ASSN STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE AMS5046 AEROSPACE MATERIAL SPEC STD 1ST MATERIAL RESPONSE OR STM A109/A109M FED STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESMATERIAL FOR AMS5046 IS ST5046
SURFACE TREATMENTZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OR STEEL COMP 1137 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8408775?
8408775 is a WASHER,FLAT.
What is the NSN for 8408775?
8408775 is cataloged in the U.S. Government catalog under NSN 5310-01-699-3465. This indicates validated use in U.S. government and defense supply chains.
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