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PartsTable / COMPONENT / 001-720
001-720 ✓ 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: 6.5 MILLIMETERS NOMINAL MM, outside_diameter: 9.7 MILLIMETERS NOMINAL MM, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 1.5 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-364-1327, 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
001-720
NSN: 5310-00-364-1327
FSC: 5310
CAGE: 55509 — COOPER CAMERON CORP AJAX-SUPERIOR DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter6.5 MILLIMETERS NOMINAL MM
outside_diameter9.7 MILLIMETERS NOMINAL MM
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness1.5 MILLIMETERS NOMINAL MM
NSN5310-00-364-1327
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 001-720 · 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: 0.390 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.058 INCHES NOMINAL IN
•
MATERIAL: COPPER OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.240 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.390 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.058 INCHES NOMINAL IN
MATERIALCOPPER OVERALL
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.240 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
GA7610Interchangeable
interchangeable cross-reference
interchangeable
001720Interchangeable
interchangeable cross-reference
interchangeable
DIN7980-6Interchangeable
interchangeable cross-reference
interchangeable
1574-046Interchangeable
interchangeable cross-reference
interchangeable
BM6371-3Interchangeable
Same NIIN cross-reference
interchangeable
60-22-243Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 001-720?
001-720 is a WASHER,LOCK.
What parts can replace 001-720?
There are 9 known substitutes for 001-720: GA7610, 001720, DIN7980-6 and 6 more. Substitute compatibility should be verified for your specific system.
Is 001-720 still available?
001-720 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