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Technical Data Sheet
PartsTable / COMPONENT / Y7-12
Y7-12 ✓ Verified by PartsTable
2-Power · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

Rechargable battery used in high power applications (e.g. UPS). Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, hole_diameter: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, overall_diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-083-7202, 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
Y7-12
NSN: 5310-01-083-7202
FSC: 5310
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
hole_diameter0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
overall_diameter0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-083-7202
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Y7-12 · 2-Power ⚠ 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
•
THICKNESS: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
OVERALL DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
MATERIALSTEEL CORROSION RESISTING OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
DS-933911Interchangeable
interchangeable cross-reference
interchangeable
4712Interchangeable
interchangeable cross-reference
interchangeable
360-9798Interchangeable
interchangeable cross-reference
interchangeable
GL 0510-SInterchangeable
interchangeable cross-reference
interchangeable
3-32STAINLESSInterchangeable
interchangeable cross-reference
interchangeable
USAF216C2-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y7-12?
Y7-12 is a WASHER,FLAT manufactured by 2-Power.
What parts can replace Y7-12?
There are 14 known substitutes for Y7-12: DS-933911, 4712, 360-9798 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y7-12?
Y7-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-083-7202. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026