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Technical Data Sheet
PartsTable / COMPONENT / 10088043
10088043 ✓ 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 color: BLACK OVERALL, material: STEEL CORROSION RESISTING OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.390 INCHES NOMINAL IN, overall_diameter: 0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN, surface_treatment: OXIDE FILM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-011-4055, 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
10088043
NSN: 5310-01-011-4055
FSC: 5310
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL CORROSION RESISTING OVERALL
thickness0.032 INCHES NOMINAL IN
hole_diameter0.390 INCHES NOMINAL IN
overall_diameter0.620 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN
surface_treatmentOXIDE FILM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 2 GRADE AND B CLASS
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-011-4055
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10088043 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
COLOR: BLACK OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 2 GRADE AND B CLASS
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THICKNESS: 0.032 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
COLORBLACK OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 2 GRADE AND B CLASS
SURFACE TREATMENTOXIDE FILM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THICKNESS0.032 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.390 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5310PL0626623Interchangeable
interchangeable cross-reference
interchangeable
8034Interchangeable
interchangeable cross-reference
interchangeable
AN960C616LInterchangeable
interchangeable cross-reference
interchangeable
AN960XC616Interchangeable
interchangeable cross-reference
interchangeable
3005360080Interchangeable
interchangeable cross-reference
interchangeable
5310PL0719886Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10088043?
10088043 is a WASHER,FLAT.
What parts can replace 10088043?
There are 10 known substitutes for 10088043: 5310PL0626623, 8034, AN960C616L and 7 more. Substitute compatibility should be verified for your specific system.
Is 10088043 still available?
10088043 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