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Technical Data Sheet
PartsTable / COMPONENT / 2207-212
2207-212 ✓ Verified by PartsTable
— · 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

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.031 INCHES NOMINAL IN, outside_diameter: 1.563 INCHES NOMINAL IN, material_thickness: 0.025 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-356-1447, 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
2207-212
NSN: 5310-00-356-1447
FSC: 5310
CAGE: 82181 — WILLIAM SPENCER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.031 INCHES NOMINAL IN
outside_diameter1.563 INCHES NOMINAL IN
material_thickness0.025 INCHES NOMINAL IN
NSN5310-00-356-1447
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2207-212 · 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
•
OUTSIDE DIAMETER: 1.563 INCHES NOMINAL IN
•
HOLE DIAMETER: 1.031 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.563 INCHES NOMINAL IN
HOLE DIAMETER1.031 INCHES NOMINAL IN
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
9427Interchangeable
interchangeable cross-reference
interchangeable
D15-739BPC454X462Interchangeable
interchangeable cross-reference
interchangeable
9216Interchangeable
interchangeable cross-reference
interchangeable
J8326Interchangeable
interchangeable cross-reference
interchangeable
284WICKInterchangeable
interchangeable cross-reference
interchangeable
39-9921-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2207-212?
2207-212 is a WASHER,LOCK.
What parts can replace 2207-212?
There are 15 known substitutes for 2207-212: 9427, D15-739BPC454X462, 9216 and 12 more. Substitute compatibility should be verified for your specific system.
Is 2207-212 still available?
2207-212 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026