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Technical Data Sheet
PartsTable / COMPONENT / 310-0400-000
310-0400-000 ✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-184-8970, 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
310-0400-000
NSN: 5310-00-184-8970
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
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
NSN5310-00-184-8970
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 310-0400-000 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HARDNESS RATING: 90.0 ROCKWELL B MINIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.489 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.062 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
HARDNESS RATING90.0 ROCKWELL B MINIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.489 INCHES MAXIMUM IN
MATERIAL THICKNESS0.062 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AN935B416LInterchangeable
interchangeable cross-reference
interchangeable
310-0400-000Interchangeable
interchangeable cross-reference
interchangeable
310-0400-00Interchangeable
interchangeable cross-reference
interchangeable
310010Interchangeable
interchangeable cross-reference
interchangeable
310010-200Interchangeable
interchangeable cross-reference
interchangeable
8-04229Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 310-0400-000?
310-0400-000 is a WASHER,LOCK.
What parts can replace 310-0400-000?
There are 12 known substitutes for 310-0400-000: AN935B416L, 310-0400-000, 310-0400-00 and 9 more. Substitute compatibility should be verified for your specific system.
Is 310-0400-000 still available?
310-0400-000 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