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PartsTable / COMPONENT / 5310H23-007
5310H23-007 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, thickness: 0.100 INCHES NOMINAL IN, hole_diameter: 0.391 INCHES NOMINAL IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM, overall_diameter: 0.781 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-090-0406, 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
5310H23-007
NSN: 5310-00-090-0406
FSC: 5310
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
thickness0.100 INCHES NOMINAL IN
hole_diameter0.391 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM
overall_diameter0.781 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-090-0406
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310H23-007 · 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: 0.781 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
•
SURFACE TREATMENT: CADMIUM OVERALL
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM
•
THICKNESS: 0.100 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.781 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM
THICKNESS0.100 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL COMP 1010 OVERALL
HOLE DIAMETER0.391 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
SMB282303Interchangeable
interchangeable cross-reference
interchangeable
SMB282303REVBInterchangeable
interchangeable cross-reference
interchangeable
104093Interchangeable
interchangeable cross-reference
interchangeable
8169783Interchangeable
interchangeable cross-reference
interchangeable
8014775Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5310H23-007?
5310H23-007 is a WASHER,FLAT.
What parts can replace 5310H23-007?
There are 5 known substitutes for 5310H23-007: SMB282303, SMB282303REVB, 104093 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5310H23-007?
5310H23-007 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-090-0406. 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