PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 310-0400-00
310-0400-00 ✓ 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: COPPER ALLOY OVERALL, hole_diameter: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, outside_diameter: 0.484 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-011-5477, 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
310-0400-00
NSN: 5310-01-011-5477
FSC: 5310
CAGE: 79807 — WROUGHT WASHER MFG., INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
outside_diameter0.484 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
NSN5310-01-011-5477
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 310-0400-00 · 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: SPLIT HELICAL-RIGHT HAND
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.484 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MATERIAL THICKNESS0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.484 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
N0407P00041C11Interchangeable
interchangeable cross-reference
interchangeable
900873-09Interchangeable
interchangeable cross-reference
interchangeable
AN935B416Interchangeable
interchangeable cross-reference
interchangeable
310-0400-000Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 310-0400-00?
310-0400-00 is a WASHER,LOCK.
What parts can replace 310-0400-00?
There are 4 known substitutes for 310-0400-00: N0407P00041C11, 900873-09, AN935B416 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 310-0400-00?
310-0400-00 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-011-5477. 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