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373-3010-000 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

373-3010-000: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.115 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN, outside_diameter: 0.255 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, material_thickness: 0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-085-6737, 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
373-3010-000
NSN: 5310-01-085-6737
FSC: 5310 — Nuts and Washers
CAGE: 84T51 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE MILITARY AVIONICS & HELICOPTERS DIV COLLINS AEROSPACE - MILITARY AVIONICS & HELICOPTERS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.115 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
outside_diameter0.255 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
material_thickness0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
NSN5310-01-085-6737
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 373-3010-000 · 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: 0.255 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.115 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER0.255 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
MATERIAL THICKNESS0.015 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.115 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 2
MS35335Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS35335-104Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 373-3010-000?
373-3010-000 is a WASHER,LOCK.
What parts can replace 373-3010-000?
There are 2 known substitutes for 373-3010-000: MS35335, MS35335-104. Substitute compatibility should be verified for your specific system.
What is the NSN for 373-3010-000?
373-3010-000 is cataloged in the U.S. Government catalog under NSN 5310-01-085-6737. 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.