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Y7-8 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

Y7-8: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, thickness: 0.025 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN, hole_diameter: 0.166 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN, overall_diameter: 0.369 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN, special_features: NICKEL BRONZE; 6 PINS, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-050-1680, 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
Y7-8
NSN: 5310-00-050-1680
NIINs: 000501680, 004735958
FSC: 5310 — Nuts and Washers
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
thickness0.025 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
hole_diameter0.166 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
overall_diameter0.369 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
special_featuresNICKEL BRONZE; 6 PINS
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAISI 302 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-050-1680
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Y7-8 · 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: 0.369 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 302 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.166 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.369 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 302 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 302 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.166 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
THICKNESS0.025 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
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 Y7-8?
Y7-8 is a WASHER,FLAT.
What is the NSN for Y7-8?
Y7-8 is cataloged in the U.S. Government catalog under NSN 5310-00-050-1680. This indicates validated use in U.S. government and defense supply chains.
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