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S1565-61675 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S1565-61675: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, recess_angle: 45.0 DEGREES NOMINAL, hole_diameter: 0.316 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, recess_diameter: 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN, outside_diameter: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-209-3528, 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
S1565-61675
NSN: 5310-00-209-3528
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
recess_angle45.0 DEGREES NOMINAL
hole_diameter0.316 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
recess_diameter0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
outside_diameter0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentCADMIUM OVERALL
material_thickness0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-6758 COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-209-3528
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S1565-61675 · 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
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 4130 OVERALL
•
HOLE DIAMETER: 0.316 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
MATERIAL THICKNESS0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
RECESS DIAMETER0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 4130 OVERALL
HOLE DIAMETER0.316 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
RECESS ANGLE45.0 DEGREES NOMINAL
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 S1565-61675?
S1565-61675 is a WASHER,RECESSED.
What is the NSN for S1565-61675?
S1565-61675 is cataloged in the U.S. Government catalog under NSN 5310-00-209-3528. This indicates validated use in U.S. government and defense supply chains.
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