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3277507 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3277507: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.310 INCHES MINIMUM AND 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM0.314 INCHES MAXIMUM IN, outside_diameter: 0.512 INCHES NOMINAL0.512 INCHES NOMINAL IN, style_designator: FLAT INTERNAL TEETH, material_thickness: 0.009 INCHES MINIMUM AND 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM0.011 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-084-9061, 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
3277507
NSN: 5310-01-084-9061
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.310 INCHES MINIMUM AND 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM0.314 INCHES MAXIMUM IN
outside_diameter0.512 INCHES NOMINAL0.512 INCHES NOMINAL IN
style_designatorFLAT INTERNAL TEETH
material_thickness0.009 INCHES MINIMUM AND 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM0.011 INCHES MAXIMUM IN
NSN5310-01-084-9061
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3277507 · 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: FLAT INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.512 INCHES NOMINAL0.512 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.009 INCHES MINIMUM AND 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM0.011 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.310 INCHES MINIMUM AND 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM0.314 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER0.512 INCHES NOMINAL0.512 INCHES NOMINAL IN
MATERIAL THICKNESS0.009 INCHES MINIMUM AND 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM0.011 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.310 INCHES MINIMUM AND 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM0.314 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
5105-31Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3277507?
3277507 is a WASHER,LOCK.
What parts can replace 3277507?
There is 1 known substitute for 3277507: 5105-31. Substitute compatibility should be verified for your specific system.
What is the NSN for 3277507?
3277507 is cataloged in the U.S. Government catalog under NSN 5310-01-084-9061. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.